Table 3.
Observational properties of NSCS.
| ID | MBH [M⊙] | Ref. | MNSC [M⊙] | Ref. | Reff [pc] | Ref. | τ [Myr] | Ref. |
|---|---|---|---|---|---|---|---|---|
| MW | 4.04 × 106 | (1, 2) | 2.50 × 107 | (3) | 4.20 | (3) | 5.5 × 103 | (4, 5) |
| IC342 | 3.16 × 105 | (6) | 1.25 × 107 | (6) | 1.39 | (6) | 3.4 × 101 | (6) |
| NGC205 | 6.80 × 103 | (8) | 2.50 × 106 | (7) | 1.30 | (7) | 3.0 × 103 | (9, 10) |
| NGC221 | 2.50 × 106 | (7) | 1.70 × 107 | (7) | 4.40 | (7) | 2.9 × 103 | (11) |
| NGC404 | 5.50 × 105 | (12) | 1.10 × 107 | (13) | 15.00 | (13) | 1.0 × 103 | (13) |
| NGC428 | 3.00 × 104 | (14) | 2.60 × 106 | (14) | 1.20 | (15) | 1.8 × 103 | (16) |
| NGC1042 | 2.50 × 104 | (14) | 3.20 × 106 | (14) | 1.30 | (15) | 1.1 × 104 | (16) |
| NGC1336 | 4.30 × 107 | (17) | 7.00 × 108 | (18) | 66.50 | (19) | 8.0 × 103 | (18) |
| NGC1493 | 2.50 × 105 | (14) | 3.50 × 106 | (14) | 3.60 | (15) | 5.7 × 103 | (16) |
| NGC2139 | 1.50 × 105 | (14) | 2.70 × 107 | (15) | 14.80 | (15) | 4.1 × 101 | (16) |
| NGC2787 | 4.10 × 107 | (20) | 7.00 × 107 | (21) | 5.10 | (22) | 8.0 × 103 | (*) |
| NGC3115 | 9.10 × 108 | (23) | 7.20 × 106 | (24) | 6.60 | (22) | 5.0 × 103 | (25) |
| NGC3368 | 7.50 × 106 | (26) | 4.80 × 107 | (27) | 10.40 | (27) | 3.0 × 103 | (28) |
| NGC3423 | 1.50 × 105 | (14) | 1.90 × 106 | (15) | 2.20 | (15) | 5.6 × 103 | (16) |
| NGC3593 | 2.40 × 106 | (29) | 1.70 × 107 | (29) | 5.10 | (22, 29) | 2.0 × 103 | (30) |
| NGC3621 | 3.00 × 106 | (31) | 6.50 × 106 | (15) | 1.80 | (15) | 1.6 × 103 | (32) |
| NGC4395 | 3.60 × 105 | (33, 34) | 2.00 × 106 | (15, 33) | 1.50 | (15) | 3.0 × 103 | (33) |
| NGC4414 | 1.50 × 106 | (35) | 1.20 × 108 | (15) | 26.50 | (15) | 4.5 × 103 | (35) |
| NGC4486 | 6.60 × 109 | (36) | 2.00 × 108 | (14) | 7.40 | (37) | 8.0 × 103 | (*) |
| NGC4501 | 1.90 × 107 | (26) | 5.20 × 108 | (27) | 30.00 | (27) | 7.5 × 103 | (38) |
| NGC4578 | 3.50 × 107 | (39) | 5.30 × 107 | (40) | 7.03 | (40) | 8.0 × 103 | (*) |
| NGC4623 | 1.60 × 108 | (41) | 1.30 × 108 | (40) | 48.03 | (40) | 8.0 × 103 | (*) |
| NGC4697 | 1.70 × 108 | (42) | 2.80 × 107 | (24) | 4.40 | (24) | 8.9 × 103 | (43) |
| NGC4699 | 1.54 × 1010 | (26) | 6.30 × 108 | (27) | 25.75 | (27) | 8.0 × 103 | (*) |
| NGC5055 | 8.50 × 108 | (20) | 1.70 × 106 | (22) | 13.50 | (22) | 3.8 × 103 | (28) |
| NGC5102 | 9.10 × 105 | (8) | 7.30 × 107 | (7) | 26.30 | (7) | 6.9 × 102 | (32) |
| NGC5206 | 6.30 × 105 | (8) | 1.50 × 107 | (7) | 8.10 | (7) | 2.9 × 103 | (32) |
| NGC7424 | 1.50 × 105 | (14) | 1.00 × 106 | (14, 15) | 6.80 | (14, 15) | 1.3 × 103 | (16) |
| NGC7713 | 7.50 × 106 | (44) | 4.04 × 105 | (22) | 1.14 | (22) | 8.0 × 103 | (*) |
| VCC1254 | 9.00 × 106 | (45) | 1.10 × 107 | (24) | 49.20 | (24) | 5.7 × 103 | (46) |
Notes. The columns are: (1) stellar system ID; (2, 3) BHS mass and reference; (4, 5) NSCS mass and reference; (6, 7) NSCS effective radius and reference; and (8, 9) age and reference. for stellar systems where the age is not defined, we assumed a typical age, denoted by (*).
References. (1) GRAVITY Collaboration (2018), (2) Do et al. (2019), (3) Schödel et al. (2014), (4) Blum et al. (1996), (5) Pfuhl et al. (2011), (6) Böker et al. (1999), (7) Nguyen et al. (2018), (8) Nguyen et al. (2019), (9) Cappellari et al. (1999), (10) Davidge (2003), (11) Villaume et al. (2017), (12) Davis et al. (2020), (13) Nguyen et al. (2017), (14) Neumayer & Walcher (2012), (15) Georgiev et al. (2016), (16) Walcher et al. (2006), (17) Thater et al. (2023), (18) Fahrion et al. (2019), (19) Turner et al. (2012), (20) Graham (2008), (21) Sarzi et al. (2001), (22) Pechetti et al. (2020), (23) Emsellem et al. (1999), (24) Graham & Spitler (2009), (25) Shcherbakov et al. (2014), (26) Saglia et al. (2016), (27) Ashok et al. (2023), (28) Sarzi et al. (2005), (29) Nguyen et al. (2022), (30) Coccato et al. (2013), (31) Barth et al. (2009), (32) Kacharov et al. (2018), (33) den Brok et al. (2015), (34) Peterson et al. (2005), (35) Thater et al. (2017), (36) Gebhardt et al. (2011), (37) Gnedin et al. (2014), (38) Repetto et al. (2017), (39) Krajnović et al. (2018), (40) Côté et al. (2006), (41) Pechetti et al. (2017), (42) Gebhardt et al. (2003), (43) Trager et al. (2000), (44) Fusco et al. (2022), (45) Geha et al. (2002) (46) Paudel et al. (2011).
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