附目一百六十六:Gaia‑BH‑2(宙历97天体)
宙历九七,鿬盀㖜冊。㞤曱馵䖙,鄨擳鶸䰜。虩䵅䙾𬞟,龵亽丱彑。
𬭬㭡㴇擳,珱㐯䍹敟。㒪㸗⺗㠪,鶨㐢勹亠。㦰㒽靋鵖,齌厛鹸疈。
註:挩䅻大昜係,歫嶳墬璆𥿢3800灮秊
Gaia BH2、UCAC4 154-126202、2MASS J13501675-5914203、WISE J135016.74-591420.3
Centaurus
J2000.0 / ICRS
13h 50m 16.748s
−59° 14′ 20.33″
310.4031°
+2.7765°
AstroSpectroSB1
≈12.711
≈12.3
≈1.49 mag
≈1.95 mag
0.859 ± 0.018 mas
1160 ± 20 pc
−10.48 ± 0.10 mas/yr
−4.61 ± 0.06 mas/yr
−5.04 ± 2.08 km/s
≈1.45
1276.7 ± 0.6 d
0.5176 ± 0.0009
4.96 ± 0.08 AU
≈4.7 mas
34.87 ± 0.34°
266.9 ± 0.5°
2457438.3 ± 1.4
130.9 ± 0.4°
25.23 ± 0.04 km/s
6.75 ± 0.51 M☉
≈8.85 ± 1.13 M☉
low-luminosity red giant
1.07 ± 0.19 M☉
7.77 ± 0.25 R☉
4604 ± 87 K
2.71 ± 0.24 cgs
24.6 ± 1.6 L☉
−0.22 ± 0.02 dex
+0.26 dex
<1.5 km/s
≈400 d
≈5.1⁺¹·²₋₁.₈ Gyr
8.94 ± 0.34 M☉
≈2GM/c² ≈ 26.4 km
≈2×10⁻⁷ M☉/yr
≈0.002–0.003 × Bondi-Hoyle≈ 2×10⁻⁹ M_Edd
≈2.4 AU,≈7.5 AU
L_X < 4×10²⁹ erg/s
L_R < 1×10²⁶ erg/s
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