20001+1731 BU 1477 CD
20h 00m 03.30s +17° 30' 59.4" P.A. 208.00 sep 27.0 mag 5.57,13.40 Sp M4IIIa dist. 312.5 pc (1019.38 l.y.)
| Coord 2000 |
20001+1731 |
|
Discov num |
BU 1477 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 00 03.30 +17 30 59.4 |
|
| Date first |
1878 |
|
Date last |
2013 |
|
Obs |
8 |
|
| Pa first |
205 |
|
Pa last |
208.4 |
|
P.A. Now (θ) |
208.4° |
|
| Sep first |
29.0 |
|
Sep last |
26.98 |
|
Sep. Now (ρ) |
26.98" |
|
| Mag pri |
5.57 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
7.83 |
|
Spectral class |
M4IIIa (red) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20001+1731 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
13 Sge |
|
20 00 10 +17 30 09 |
H 4 100 AB |
2013 |
19 |
265 |
23.9 |
9.96 |
10.12 |
0.16 |
|
|
| Show |
|
105522 |
20 00 10 +17 30 09 |
H 4 100 AC |
2013 |
17 |
297 |
112.6 |
9.96 |
5.57 |
4.39 |
|
|
| Show |
|
105522 |
20 00 09 +17 30 03 |
H 4 100 BC |
2013 |
5 |
306 |
97.1 |
10.12 |
5.57 |
4.55 |
|
|
| Show |
|
105522 |
20 00 03 +17 30 59 |
BU 1477 CD |
2013 |
8 |
208 |
27.0 |
5.57 |
13.40 |
7.83 |
|
<=== |
| Show |
|
105522 |
20 00 03 +17 30 59 |
BU 1477 CE |
2020 |
5 |
114 |
45.9 |
5.57 |
12.99 |
7.42 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
VZ Sge |
|
Constellation |
Sagitta |
|
SAO |
105522 |
|
HIP |
98438 |
|
| Tycho2 |
1621-02189-1 |
|
Gaia DR2 |
1820484908471787008 |
|
HD |
189577 |
|
HR |
7645 |
|
| GC |
27711 |
|
ADS |
13230 |
|
BD |
BD+17 4183 |
|
Flamsteed |
13 Sagittae |
|
| Flamsteed name |
13 Sge |
|
Distance |
312.5 |
|
Distance ly |
1019.38 |
|
