research_notes - JacobPilawa/TriaxSchwarzschild_wiki_6 GitHub Wiki
Research Notes: Black Hole Mass Compilation Comparison
Overview
This document compiles and compares black hole mass measurements from two seminal papers:
- McConnell & Ma (2013) - "Revisiting the Scaling Relations of Black Hole Masses and Host Galaxy Properties" (arXiv:1211.2816v3)
- van den Bosch (2016) - "Unification of the Fundamental Plane and Super-Massive Black Hole Masses" (arXiv:1606.01246v2)
Data Sources & Parent Samples
McConnell & Ma (2013)
- Base source: Online BH mass compilation at http://blackhole.berkeley.edu
- Previous compilation: Updates Gultekin et al. (2009) which had 49 objects
- New additions: 27 new BH mass measurements
- Updates: 18 revised masses from improved data/modeling
- Distance updates: 44 galaxies with revised distances (primarily SBF measurements from Tonry et al. 2001, Blakeslee et al. 2009/2010)
- Sample size: 72 galaxies with dynamical BH mass measurements
- Methods: Stellar dynamics (~42), gas dynamics (~15), water masers (~12)
van den Bosch (2016)
- Base source: 97 galaxies from McConnell & Ma's online compilation
- Additions from other compilations:
- 4 from Gultekin et al. (2009a)
- 4 from Kormendy & Ho (2013)
- 15 from Saglia et al. (2016)
- New/upated measurements (39 objects):
- Gebhardt et al. (2001), Merritt et al. (2001)
- Valluri et al. (2005), Barth et al. (2009)
- Kormendy et al. (2010), Seth et al. (2010)
- Neumayer et al. (2012), Lyubenova et al. (2013)
- de Lorenzi et al. (2013), Scharwachter et al. (2013)
- Onken et al. (2014), Nguyen et al. (2014)
- Gultekin et al. (2014), Yildirim et al. (2015)
- Onishi et al. (2015), Walsh et al. (2015/2016)
- Barth et al. (2016), Thomas et al. (2016)
- Greene et al. (2016), Onishi et al. (2016)
- HST/STIS spectroscopy (80 objects): Beifiori et al. (2009, 2012)
- Reverberation-mapped AGN (24 included): Bentz et al. (2015) - scaled using virial factor f = 4.31±1.05
- Sample size: ~230 objects (including upper limits and reverberation-mapped BHs)
- Methods: Stellar dynamics (~50), gas dynamics (~70), water masers (~25), reverberation mapping (~50), mixed/other (~35)
1. McConnell & Ma (2013) Black Hole Mass Table
The McConnell & Ma paper compiles 72 galaxies with dynamical black hole mass measurements.
| Galaxy | BH Mass (M☉) | Method | σ (km/s) |
|---|---|---|---|
| Milky Way | 4.1 × 10⁶ | stars | 103 |
| A1836-BCG | 3.9 × 10⁹ | gas | 288 |
| A3565-BCG | 1.4 × 10⁹ | gas | 322 |
| Circinus | 1.7 × 10⁶ | masers | 158 |
| IC 1459 | 2.8 × 10⁹ | stars | 315 |
| N221 (M32) | 2.6 × 10⁶ | stars | 75 |
| N224 (M31) | 1.4 × 10⁸ | stars | 160 |
| N524 | 8.6 × 10⁸ | stars | 235 |
| N821 | 1.7 × 10⁸ | stars | 209 |
| N1023 | 4.0 × 10⁷ | stars | 205 |
| N1194 | 6.8 × 10⁷ | masers | 148 |
| N1300 | 7.1 × 10⁷ | gas | 218 |
| N1316 | 1.7 × 10⁸ | stars | 226 |
| N1332 | 1.5 × 10⁹ | stars | 328 |
| N1374 | 5.9 × 10⁸ | stars | 174 |
| N1399 | 5.1 × 10⁸ / 1.3 × 10⁹ | stars | 296 |
| N1407 | 4.7 × 10⁹ | stars | 274 |
| N1550 | 3.9 × 10⁹ | stars | 289 |
| N2273 | 7.8 × 10⁶ | masers | 144 |
| N2549 | 1.4 × 10⁷ | stars | 145 |
| N2787 | 4.1 × 10⁷ | gas | 189 |
| N2960 | 1.21 × 10⁷ | masers | 166 |
| N3031 (M81) | 8.0 × 10⁷ | gas | 143 |
| N3091 | 3.7 × 10⁹ | stars | 307 |
| N3115 | 8.9 × 10⁸ | stars | 230 |
| N3227 | 1.5 × 10⁷ | stars | 133 |
| N3245 | 2.1 × 10⁸ | gas | 205 |
| N3368 | 7.6 × 10⁶ | stars | 122 |
| N3377 | 1.8 × 10⁸ | stars | 145 |
| N3379 (M105) | 4.2 × 10⁸ | stars | 206 |
| N3384 | 1.1 × 10⁷ | stars | 143 |
| N3393 | 3.3 × 10⁷ | masers | 148 |
| N3489 | 6.0 × 10⁶ | stars | 100 |
| N3585 | 3.3 × 10⁸ | stars | 213 |
| N3607 | 1.4 × 10⁸ | stars | 229 |
| N3608 | 4.7 × 10⁸ | stars | 182 |
| N3842 | 9.7 × 10⁹ | stars | 270 |
| N3998 | 8.5 × 10⁸ | stars | 272 |
| N4026 | 1.8 × 10⁸ | stars | 180 |
| N4258 | 3.67 × 10⁷ | masers | 115 |
| N4261 | 5.3 × 10⁸ | gas | 315 |
| N4291 | 9.8 × 10⁸ | stars | 242 |
| N4342 | 4.6 × 10⁸ | stars | 225 |
| N4374 (M84) | 9.2 × 10⁸ | gas | 296 |
| N4388 | 8.8 × 10⁶ | masers | 107 |
| N4459 | 7.0 × 10⁷ | gas | 167 |
| N4472 (M49) | 2.5 × 10⁹ | stars | 300 |
| N4473 | 8.9 × 10⁷ | stars | 190 |
| N4486 (M87) | 6.2 × 10⁹ | stars | 324 |
| N4486A | 1.4 × 10⁷ | stars | 111 |
| N4564 | 8.8 × 10⁷ | stars | 162 |
| N4594 (M104) | 6.7 × 10⁸ | stars | 230 |
| N4596 | 8.4 × 10⁷ | gas | 136 |
| N4649 (M60) | 4.7 × 10⁹ | stars | 341 |
| N4697 | 2.0 × 10⁸ | stars | 177 |
| N4736 (M94) | 6.8 × 10⁶ | stars | 112 |
| N4826 (M64) | 1.6 × 10⁶ | stars | 96 |
| N4889 | 2.1 × 10¹⁰ | stars | 347 |
| N5077 | 8.0 × 10⁸ | gas | 222 |
| N5128 (Cen A) | 5.9 × 10⁷ | stars | 150 |
| N5516 | 4.0 × 10⁹ | stars | 306 |
| N5576 | 1.7 × 10⁸ | stars | 183 |
| N5845 | 4.9 × 10⁸ | stars | 234 |
| N6086 | 3.8 × 10⁹ | stars | 318 |
| N6251 | 6.0 × 10⁸ | gas | 290 |
| N6264 | 3.03 × 10⁷ | masers | 158 |
| N6323 | 9.8 × 10⁶ | masers | 158 |
| N7052 | 4.0 × 10⁸ | gas | 266 |
| N7582 | 5.5 × 10⁷ | gas | 156 |
| N7619 | 2.3 × 10⁹ | stars | 313 |
| N7768 | 1.3 × 10⁹ | stars | 257 |
| U3789 | 1.08 × 10⁷ | masers | 107 |
2. van den Bosch (2016) Black Hole Mass Table
The van den Bosch paper compiles 230 galaxies with black hole mass measurements and upper limits. Below is a selection of key galaxies with well-constrained BH masses (log(MBH/M☉) > 5):
| Galaxy | log(MBH/M☉) | σe (km/s) | Method |
|---|---|---|---|
| 3C120 | 7.73 ± 0.15 | 162 | reverb |
| 3C390.3 | 8.62 ± 0.16 | 275 | reverb |
| A1836BCG | 9.57 ± 0.06 | 288 | gas |
| A3565BCG | 9.11 ± 0.07 | 324 | gas |
| Ark120 | 8.05 ± 0.17 | 191 | reverb |
| Arp151 | 6.65 ± 0.16 | 117 | reverb |
| Circinus | 6.06 ± 0.10 | 158 | maser |
| CygnusA | 9.41 ± 0.13 | 269 | gas |
| ESO558-009 | 7.22 ± 0.03 | 170 | maser |
| Fairall9 | 8.27 ± 0.21 | 224 | reverb |
| IC0342 | 6.41⁺⁰.₂₉₋₆.₄₁ | 60 | gas |
| IC1459 | 9.39 ± 0.08 | 339 | star |
| IC1481 | 7.15 ± 0.13 | 96 | maser |
| IC2560 | 7.64 ± 0.05 | 141 | maser |
| J0437+2456 | 6.45 ± 0.03 | 110 | maser |
| Mrk0050 | 7.40 ± 0.18 | 107 | reverb |
| Mrk0079 | 7.58 ± 0.23 | 129 | reverb |
| Mrk0509 | 8.03 ± 0.15 | 182 | reverb |
| Mrk0590 | 7.55 ± 0.18 | 191 | reverb |
| Mrk0817 | 7.57 ± 0.18 | 120 | reverb |
| Mrk1216 | 9.30⁺⁰.₇₀₋₉.₃₀ | 309 | star |
| Mrk1310 | 6.19 ± 0.19 | 83 | reverb |
| NGC0193 | 8.40 ± 0.32 | 186 | gas |
| NGC0221 (M32) | 6.39 ± 0.19 | 74 | star |
| NGC0289 | 7.38⁺⁰.₃₀₋₇.₃₈ | 107 | gas |
| NGC0307 | 8.60 ± 0.06 | 204 | stars |
| NGC0315 | 8.92 ± 0.31 | 309 | gas |
| NGC0383 | 8.76 ± 0.32 | 240 | gas |
| NGC0404 | 5.65 ± 0.25 | 25 | gas |
| NGC0428 | 4.48⁺⁰.₃₇₋₄.₄₈ | 32 | star |
| NGC0524 | 8.94 ± 0.05 | 235 | star |
| NGC0541 | 8.59 ± 0.34 | 191 | gas |
| NGC0598 (M33) | 0.00⁺³.¹⁵₋₀.₀₀ | 18 | star |
| NGC0613 | 7.60 ± 0.35 | 123 | gas |
| NGC0741 | 8.67 ± 0.37 | 235 | gas |
| NGC0788 | 7.92 ± 0.28 | 126 | gas |
| NGC0821 | 8.22 ± 0.21 | 209 | star |
| NGC1023 | 7.62 ± 0.05 | 166 | star |
| NGC1042 | 4.40⁺².⁰⁸₋₄.₄⁰ | 44 | star |
| NGC1052 | 8.24 ± 0.29 | 191 | gas |
| NGC1097 | 8.14 ± 0.09 | 195 | CO |
| NGC1194 | 7.85 ± 0.05 | 148 | maser |
| NGC1275 | 8.98 ± 0.20 | 245 | gas |
| NGC1277 | 9.67 ± 0.15 | 316 | star |
| NGC1316 | 8.18 ± 0.25 | 224 | star |
| NGC1320 | 6.74 ± 0.16 | 141 | maser |
| NGC1332 | 8.83 ± 0.04 | 331 | CO |
| NGC1358 | 8.37 ± 0.32 | 170 | gas |
| NGC1374 | 8.76 ± 0.06 | 204 | star |
| NGC1386 | 6.07 ± 0.29 | 166 | maser |
| NGC1398 | 8.03 ± 0.08 | 234 | stars |
| NGC1399 | 8.94 ± 0.31 | 339 | star |
| NGC1407 | 9.65 ± 0.08 | 282 | star |
| NGC1428 | 0.00⁺⁷.⁰⁰₋₀.₀₀ | 81 | star |
| NGC1493 | 5.40⁺⁰.⁵¹₋₅.⁴⁰ | 35 | star |
| NGC1497 | 8.63 ± 0.19 | 245 | gas |
| NGC1550 | 9.57 ± 0.07 | 302 | star |
| NGC1600 | 10.23 ± 0.04 | 295 | star |
| NGC1667 | 8.20 ± 0.23 | 174 | gas |
| NGC1961 | 8.29 ± 0.34 | 219 | gas |
| NGC2110 | 8.12 ± 0.64 | 200 | gas |
| NGC2179 | 8.31 ± 0.23 | 155 | gas |
| NGC2273 | 6.93 ± 0.04 | 145 | maser |
| NGC2329 | 8.18 ± 0.18 | 219 | gas |
| NGC2549 | 7.16⁺⁰.³⁰₋₇.¹⁶ | 141 | star |
| NGC2685 | 6.59⁺⁰.⁴¹₋₆.₅⁹ | 105 | gas |
| NGC2748 | 7.65 ± 0.24 | 115 | gas |
| NGC2778 | 7.16⁺⁰.³⁰₋₇.¹⁶ | 132 | star |
| NGC2787 | 7.61 ± 0.09 | 191 | gas |
| NGC2892 | 8.43 ± 0.11 | 295 | gas |
| NGC2903 | 7.06⁺⁰.²⁸₋₇.⁰₆ | 93 | gas |
| NGC2960 | 7.03 ± 0.05 | 151 | maser |
| NGC2964 | 6.73⁺⁰.⁶¹₋₆.⁷³ | 93 | gas |
| NGC2974 | 8.23 ± 0.09 | 229 | stars |
| NGC3021 | 7.26⁺⁰.³⁰₋₇.²⁶ | 50 | gas |
| NGC3031 (M81) | 7.81 ± 0.13 | 141 | gas |
| NGC3078 | 7.91 ± 0.42 | 209 | gas |
| NGC3079 | 6.40 ± 0.05 | 145 | maser |
| NGC3081 | 7.20 ± 0.30 | 123 | gas |
| NGC3091 | 9.56 ± 0.07 | 309 | star |
| NGC3115 | 8.95 ± 0.09 | 229 | star |
| NGC3227 | 7.32 ± 0.23 | 132 | star |
| NGC3245 | 8.38 ± 0.11 | 178 | gas |
| NGC3310 | 6.70⁺⁰.⁹²₋₆.⁷⁰ | 83 | gas |
| NGC3351 | 6.52⁺⁰.²⁶₋₆.⁵² | 93 | gas |
| NGC3368 | 6.88 ± 0.08 | 120 | star |
| NGC3377 | 8.25 ± 0.25 | 129 | star |
| NGC3379 (M105) | 8.62 ± 0.11 | 186 | star |
| NGC3384 | 7.03 ± 0.21 | 138 | star |
| NGC3393 | 7.20 ± 0.33 | 148 | maser |
| NGC3414 | 8.40 ± 0.07 | 191 | stars |
| NGC3423 | 5.18⁺⁰.⁶⁷₋₅.¹⁸ | 42 | star |
| NGC3489 | 6.78 ± 0.05 | 102 | star |
| NGC3585 | 8.52 ± 0.13 | 214 | star |
| NGC3607 | 8.14 ± 0.16 | 209 | star |
| NGC3608 | 8.67 ± 0.10 | 170 | star |
| NGC3621 | 6.00⁺⁰.⁴⁸₋₆.⁰⁰ | 62 | star |
| NGC3627 | 6.93 ± 0.05 | 123 | stars |
| NGC3642 | 7.42⁺⁰.⁰⁴₋₇.⁴² | 93 | gas |
| NGC3665 | 8.76 ± 0.09 | 219 | CO |
| NGC3675 | 7.26⁺⁰.²⁹₋₇.²⁶ | 105 | gas |
| NGC3706 | 9.77 ± 0.06 | 324 | star |
| NGC3783 | 7.36 ± 0.19 | 96 | reverb |
| NGC3801 | 8.28 ± 0.31 | 209 | gas |
| NGC3842 | 9.96 ± 0.14 | 275 | star |
| NGC3862 | 8.41 ± 0.37 | 209 | gas |
| NGC3923 | 9.45 ± 0.12 | 224 | stars |
| NGC3945 | 6.94⁺⁰.⁴⁶₋₆.⁹⁴ | 178 | star |
| NGC3953 | 7.33 ± 0.29 | 129 | gas |
| NGC3982 | 6.95⁺⁰.²⁶₋₆.⁹⁵ | 78 | gas |
| NGC3992 | 7.51 ± 0.28 | 123 | gas |
| NGC3998 | 8.93 ± 0.05 | 224 | star |
| NGC4026 | 8.26 ± 0.12 | 155 | star |
| NGC4036 | 7.89 ± 0.36 | 182 | gas |
| NGC4051 | 6.10 ± 0.25 | 89 | reverb |
| NGC4088 | 6.79⁺⁰.²⁹₋₆.⁷⁹ | 85 | gas |
| NGC4143 | 7.92 ± 0.36 | 178 | gas |
| NGC4150 | 5.94⁺⁰.⁴⁴₋₅.⁹⁴ | 81 | gas |
| NGC4151 | 7.81 ± 0.08 | 96 | star |
| NGC4203 | 7.82 ± 0.26 | 129 | gas |
| NGC4212 | 5.99⁺⁰.⁴²₋₅.⁹⁹ | 68 | gas |
| NGC4245 | 7.19⁺⁰.⁴⁸₋₇.¹⁹ | 83 | gas |
| NGC4253 | 6.80 ± 0.17 | 87 | reverb |
| NGC4258 | 7.58 ± 0.03 | 115 | maser |
| NGC4261 | 8.72 ± 0.10 | 263 | gas |
| NGC4278 | 7.96 ± 0.27 | 214 | gas |
| NGC4291 | 8.99 ± 0.16 | 240 | star |
| NGC4303 | 6.51 ± 0.74 | 83 | gas |
| NGC4314 | 6.91⁺⁰.³⁰₋₆.⁹¹ | 107 | gas |
| NGC4321 | 6.67⁺⁰.¹⁷₋₆.⁶⁷ | 83 | gas |
| NGC4335 | 8.39 ± 0.31 | 257 | gas |
| NGC4342 | 8.66 ± 0.19 | 240 | star |
| NGC4350 | 8.58 ± 0.41 | 174 | star |
| NGC4371 | 6.84 ± 0.07 | 145 | stars |
| NGC4374 (M84) | 8.97 ± 0.05 | 257 | gas |
| NGC4382 | 7.11⁺¹.²⁴₋₇.¹¹ | 178 | star |
| NGC4388 | 6.86 ± 0.04 | 107 | maser |
| NGC4429 | 7.85 ± 0.35 | 178 | gas |
| NGC4435 | 0.00⁺⁶.³⁰₋₀.₀₀ | 151 | star |
| NGC4450 | 8.06⁺⁰.²⁸₋₈.⁰⁶ | 107 | gas |
| NGC4459 | 7.84 ± 0.09 | 158 | gas |
| NGC4472 (M49) | 9.40 ± 0.04 | 251 | star |
| NGC4473 | 7.95 ± 0.24 | 186 | star |
| NGC4477 | 7.55 ± 0.30 | 148 | gas |
| NGC4486 (M87) | 9.58 ± 0.10 | 263 | gas |
| NGC4486A | 7.10 ± 0.15 | 123 | star |
| NGC4486B | 8.60 ± 0.02 | 170 | star |
| NGC4501 | 7.30 ± 0.08 | 158 | stars |
| NGC4507 | 7.18 ± 0.35 | 145 | gas |
| NGC4526 | 8.65 ± 0.12 | 209 | gas |
| NGC4548 | 7.25 ± 0.29 | 145 | gas |
| NGC4552 | 8.70 ± 0.05 | 224 | stars |
| NGC4564 | 7.95 ± 0.12 | 155 | star |
| NGC4579 | 7.96⁺⁰.³⁶₋₇.⁹⁶ | 110 | gas |
| NGC4593 | 6.86 ± 0.21 | 135 | reverb |
| NGC4594 (M104) | 8.82 ± 0.05 | 240 | star |
| NGC4596 | 7.89 ± 0.26 | 126 | gas |
| NGC4621 | 8.60 ± 0.09 | 200 | stars |
| NGC4649 (M60) | 9.67 ± 0.10 | 269 | star |
| NGC4697 | 8.31 ± 0.11 | 170 | star |
| NGC4698 | 7.76 ± 0.16 | 123 | gas |
| NGC4742 | 7.10 ± 0.15 | 89 | star |
| NGC4748 | 6.36 ± 0.26 | 105 | reverb |
| NGC4751 | 9.15 ± 0.06 | 355 | star |
| NGC4800 | 7.02⁺⁰.⁵³₋₇.⁰² | 102 | gas |
| NGC4889 | 10.32 ± 0.44 | 363 | star |
| NGC4945 | 6.14 ± 0.18 | 135 | maser |
| NGC5005 | 8.27 ± 0.23 | 200 | gas |
| NGC5055 | 8.92 ± 0.10 | 100 | gas |
| NGC5077 | 8.93 ± 0.27 | 224 | gas |
| NGC5127 | 8.27 ± 0.41 | 195 | gas |
| NGC5128 (Cen A) | 7.76 ± 0.08 | 151 | star |
| NGC5248 | 6.30 ± 0.38 | 126 | gas |
| NGC5252 | 9.07 ± 0.34 | 191 | gas |
| NGC5273 | 6.61 ± 0.27 | 66 | reverb |
| NGC5283 | 7.41 ± 0.33 | 135 | gas |
| NGC5328 | 9.67 ± 0.16 | 331 | star |
| NGC5347 | 7.21⁺⁰.⁴²₋₇.²¹ | 63 | gas |
| NGC5419 | 9.86 ± 0.14 | 371 | stars |
| NGC5427 | 7.58⁺⁰.³⁰₋₇.⁵⁸ | 63 | gas |
| NGC5457 (M101) | 6.41⁺⁰.⁰⁸₋₆.⁴¹ | 22 | star |
| NGC5490 | 8.73 ± 0.35 | 257 | gas |
| NGC5495 | 7.00 ± 0.05 | 166 | maser |
| NGC5516 | 9.52 ± 0.06 | 302 | star |
| NGC5548 | 7.70 ± 0.13 | 195 | reverb |
| NGC5576 | 8.44 ± 0.13 | 155 | star |
| NGC5643 | 7.05⁺⁰.⁵⁹₋₇.⁰⁵ | 89 | gas |
| NGC5695 | 8.00 ± 0.32 | 145 | gas |
| NGC5728 | 8.05 ± 0.29 | 191 | gas |
| NGC5765B | 7.66 ± 0.03 | 158 | maser |
| NGC5813 | 8.85 ± 0.06 | 209 | stars |
| NGC5845 | 8.69 ± 0.16 | 229 | star |
| NGC5846 | 9.04 ± 0.06 | 224 | stars |
| NGC5879 | 6.62⁺⁰.²⁸₋₆.⁶² | 54 | gas |
| NGC5921 | 7.07⁺⁰.⁴²₋₇.⁰⁷ | 85 | gas |
| NGC6086 | 9.57 ± 0.17 | 316 | star |
| NGC6240(S) | 9.17 ± 0.21 | 275 | star |
| NGC6251 | 8.79 ± 0.16 | 288 | gas |
| NGC6300 | 7.14⁺⁰.²⁰₋₇.¹⁴ | 87 | gas |
| NGC6323 | 7.00 ± 0.05 | 158 | maser |
| NGC6500 | 8.34 ± 0.26 | 214 | gas |
| NGC6503 | 6.30⁺⁰.¹¹₋₆.³⁰ | 55 | star |
| NGC6814 | 7.02 ± 0.17 | 96 | reverb |
| NGC6861 | 9.30 ± 0.08 | 389 | star |
| NGC6951 | 6.93⁺⁰.¹⁹₋₆.⁹³ | 96 | gas |
| NGC7052 | 8.60 ± 0.23 | 263 | gas |
| NGC7331 | 8.02 ± 0.18 | 115 | gas |
| NGC7332 | 7.08 ± 0.18 | 126 | star |
| NGC7418 | 5.18⁺¹.⁷⁸₋₅.¹⁸ | 47 | star |
| NGC7424 | 5.18⁺⁰.⁴³₋₅.¹⁸ | 22 | star |
| NGC7457 | 6.95 ± 0.30 | 74 | star |
| NGC7582 | 7.74 ± 0.20 | 155 | gas |
| NGC7619 | 9.40 ± 0.11 | 324 | star |
| NGC7626 | 8.58 ± 0.33 | 235 | gas |
| NGC7682 | 7.56 ± 0.33 | 112 | gas |
| NGC7768 | 9.13 ± 0.18 | 263 | star |
| UGC12064 | 8.84 ± 0.52 | 257 | gas |
| UGC1214 | 7.74⁺⁰.¹⁸₋₇.⁷⁴ | 105 | gas |
| UGC1395 | 6.83⁺⁰.²⁸₋₆.⁸³ | 65 | gas |
| UGC1841 | 8.47 ± 0.19 | 295 | gas |
| UGC3789 | 6.99 ± 0.09 | 107 | maser |
| UGC6093 | 7.41 ± 0.02 | 155 | maser |
| UGC7115 | 9.00 ± 0.45 | 178 | gas |
| UGC9799 | 8.89⁺⁰.⁸⁰₋₈.⁸⁹ | 235 | gas |
3. Comparison: Common and Unique Sources
Galaxies in BOTH Papers (Common Sources)
| Galaxy | McConnell log(MBH) | van den Bosch log(MBH) | Difference |
|---|---|---|---|
| Circinus | 6.23 | 6.06 | -0.17 |
| IC 1459 | 9.45 | 9.39 | -0.06 |
| N221 (M32) | 6.41 | 6.39 | -0.02 |
| N524 | 8.93 | 8.94 | +0.01 |
| N821 | 8.23 | 8.22 | -0.01 |
| N1023 | 7.60 | 7.62 | +0.02 |
| N1194 | 7.83 | 7.85 | +0.02 |
| N1316 | 8.23 | 8.18 | -0.05 |
| N1332 | 9.18 | 8.83 | -0.35 |
| N1374 | 8.77 | 8.76 | -0.01 |
| N1399 | 8.71/9.11 | 8.94 | varies |
| N1407 | 9.67 | 9.65 | -0.02 |
| N1550 | 9.59 | 9.57 | -0.02 |
| N2273 | 6.89 | 6.93 | +0.04 |
| N2549 | 7.15 | 7.16 | +0.01 |
| N2787 | 7.61 | 7.61 | 0.00 |
| N2960 | 7.08 | 7.03 | -0.05 |
| N3031 (M81) | 7.90 | 7.81 | -0.09 |
| N3091 | 9.57 | 9.56 | -0.01 |
| N3115 | 8.95 | 8.95 | 0.00 |
| N3227 | 7.18 | 7.32 | +0.14 |
| N3245 | 8.32 | 8.38 | +0.06 |
| N3368 | 6.88 | 6.88 | 0.00 |
| N3377 | 8.26 | 8.25 | -0.01 |
| N3379 (M105) | 8.62 | 8.62 | 0.00 |
| N3384 | 7.04 | 7.03 | -0.01 |
| N3393 | 7.52 | 7.20 | -0.32 |
| N3489 | 6.78 | 6.78 | 0.00 |
| N3585 | 8.52 | 8.52 | 0.00 |
| N3607 | 8.15 | 8.14 | -0.01 |
| N3608 | 8.67 | 8.67 | 0.00 |
| N3842 | 9.99 | 9.96 | -0.03 |
| N3998 | 8.93 | 8.93 | 0.00 |
| N4026 | 8.26 | 8.26 | 0.00 |
| N4258 | 7.56 | 7.58 | +0.02 |
| N4261 | 8.72 | 8.72 | 0.00 |
| N4291 | 8.99 | 8.99 | 0.00 |
| N4342 | 8.66 | 8.66 | 0.00 |
| N4374 (M84) | 8.96 | 8.97 | +0.01 |
| N4388 | 6.95 | 6.86 | -0.09 |
| N4459 | 7.85 | 7.84 | -0.01 |
| N4472 (M49) | 9.40 | 9.40 | 0.00 |
| N4473 | 7.95 | 7.95 | 0.00 |
| N4486 (M87) | 9.79 | 9.58 | -0.21 |
| N4486A | 7.15 | 7.10 | -0.05 |
| N4564 | 7.94 | 7.95 | +0.01 |
| N4594 (M104) | 8.83 | 8.82 | -0.01 |
| N4596 | 7.92 | 7.89 | -0.03 |
| N4649 (M60) | 9.67 | 9.67 | 0.00 |
| N4697 | 8.30 | 8.31 | +0.01 |
| N4736 (M94) | 6.83 | 6.83 | 0.00 |
| N4826 (M64) | 6.20 | 6.20 | 0.00 |
| N4889 | 10.32 | 10.32 | 0.00 |
| N5077 | 8.90 | 8.93 | +0.03 |
| N5128 (Cen A) | 7.77 | 7.76 | -0.01 |
| N5516 | 9.60 | 9.52 | -0.08 |
| N5576 | 8.23 | 8.44 | +0.21 |
| N5845 | 8.69 | 8.69 | 0.00 |
| N6086 | 9.58 | 9.57 | -0.01 |
| N6251 | 8.78 | 8.79 | +0.01 |
| N6264 | 7.48 | 7.48 | 0.00 |
| N6323 | 6.99 | 7.00 | +0.01 |
| N7052 | 8.60 | 8.60 | 0.00 |
| N7582 | 7.74 | 7.74 | 0.00 |
| N7619 | 9.36 | 9.40 | +0.04 |
| N7768 | 9.11 | 9.13 | +0.02 |
| UGC3789 | 7.03 | 6.99 | -0.04 |
Galaxies Unique to McConnell & Ma (2013)
These galaxies appear in McConnell & Ma but NOT in van den Bosch's compilation:
- Milky Way - Not in van den Bosch
- A1836-BCG - Not in van den Bosch
- A3565-BCG - Not in van den Bosch
- N224 (M31) - Not in van den Bosch
- N1300 - Not in van den Bosch
- N1889 - Not in van den Bosch
- N2787 - In both (corrected)
- N3607 - In both (corrected)
- N5128 - In both (corrected)
Galaxies Unique to van den Bosch (2016)
These galaxies appear in van den Bosch but NOT in McConnell & Ma:
The van den Bosch paper includes ~150 additional galaxies not in McConnell & Ma, including:
Reverberation-mapped AGN:
- 3C120, 3C390.3, Ark120, Arp151, Fairall9, Mrk0050, Mrk0079, Mrk0509, Mrk0590, Mrk0817, Mrk1216, Mrk1310, NGC4051, NGC4253, NGC4593, NGC4748, NGC5273, NGC5548, NGC6814, SBS1116+583A
Recent measurements post-2013:
- NGC1277, NGC1600, NGC3665, NGC3706, NGC4486B, NGC4526, NGC4751, NGC5328, NGC5419, NGC5813, NGC5846, NGC6086, NGC6240(S), NGC6861, NGC6951
Gas dynamics studies:
- NGC0193, NGC0289, NGC0315, NGC0383, NGC0541, NGC0613, NGC0741, NGC0788, NGC1042, NGC1052, NGC1097, NGC1275, NGC1320, NGC1358, NGC1386, NGC1667, NGC1961, NGC2110, NGC2179, NGC2329, NGC2685, NGC2748, NGC2892, NGC2903, NGC2964, NGC3021, NGC3078, NGC3079, NGC3081, NGC3310, NGC3351, NGC3414, NGC3423, NGC3621, NGC3627, NGC3642, NGC3675, NGC3801, NGC3862, NGC3923, NGC3945, NGC3953, NGC3982, NGC3992, NGC4036, NGC4088, NGC4143, NGC4150, NGC4151, NGC4203, NGC4212, NGC4245, NGC4303, NGC4314, NGC4321, NGC4335, NGC4350, NGC4371, NGC4382, NGC4435, NGC4450, NGC4477, NGC4501, NGC4507, NGC4548, NGC4579, NGC4621, NGC4698, NGC4742, NGC4800, NGC4945, NGC5005, NGC5055, NGC5127, NGC5248, NGC5252, NGC5283, NGC5347, NGC5427, NGC5457, NGC5490, NGC5495, NGC5643, NGC5695, NGC5728, NGC5765B, NGC5879, NGC5921, NGC6300, NGC6500, NGC6503, NGC7331, NGC7332, NGC7418, NGC7424, NGC7682
UGC objects:
- UGC12064, UGC1214, UGC1395, UGC1841, UGC6093, UGC7115, UGC9799
4. Key Observations
4.1 BH Mass Consistency
For galaxies in common between the two papers, the black hole masses generally agree within ~0.1 dex. Notable exceptions:
| Galaxy | Δlog(MBH) | Possible Reason |
|---|---|---|
| N1332 | -0.35 | Different data/technique |
| N3393 | -0.32 | Different data/technique |
| N4486 (M87) | -0.21 | Different models |
| N5576 | +0.21 | Different modeling assumptions |
| N3227 | +0.14 | Variability/different epochs |
4.2 Sample Overlap Statistics
- McConnell & Ma (2013): 72 galaxies with BH mass measurements
- van den Bosch (2016): 230 objects (including upper limits and reverberation-mapped)
- Common galaxies: ~55-60 objects with direct dynamical measurements
- Unique to McConnell: ~15 objects
- Unique to van den Bosch: ~170+ objects
4.3 Method Differences
McConnell & Ma:
- Stellar dynamics: 42 galaxies
- Gas dynamics: 15 galaxies
- Water masers: 12 galaxies
van den Bosch:
- Stellar dynamics: ~50 galaxies
- Gas dynamics: ~70 galaxies
- Water masers: ~25 galaxies
- Reverberation mapping: ~50 galaxies
- Mixed/other: ~35 galaxies
4.4 van den Bosch's Larger Sample
The van den Bosch paper benefits from:
- ~5 years of additional BH mass measurements
- Inclusion of reverberation-mapped AGN (scaled to dynamical calibration)
- More complete coverage of low-mass and high-mass galaxies
- Inclusion of upper limits for galaxies without secure measurements
5. Summary
Both compilations provide valuable, complementary information about supermassive black hole masses:
-
McConnell & Ma (2013) represents a curated sample of 72 galaxies with the most reliable dynamical BH mass measurements available as of 2012.
-
van den Bosch (2016) provides a more comprehensive (but heterogeneous) sample of 230 objects, including many AGN with reverberation-mapped masses and upper limits.
The overlap of ~55-60 galaxies with reliable dynamical measurements allows for cross-calibration between the two datasets, generally showing good agreement with typical differences < 0.1 dex.
Generated: January 13, 2026 Data sources: arXiv:1211.2816v3 (McConnell & Ma 2013), arXiv:1606.01246v2 (van den Bosch 2016)