21002+3658 HO 147 AB
21h 00m 13.54s +36° 57' 47.0" P.A. 351.00 sep 7.8 mag 8.01,14.10 Sp K5
| Coord 2000 |
21002+3658 |
|
Discov num |
HO 147 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 00 13.54 +36 57 47.0 |
|
| Date first |
1885 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
353 |
|
Pa last |
351.3 |
|
P.A. Now (θ) |
351.3° |
|
| Sep first |
7.0 |
|
Sep last |
7.835 |
|
Sep. Now (ρ) |
7.835" |
|
| Mag pri |
8.01 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
6.09 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21002+3658 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
70777 |
21 00 14 +36 57 47 |
HO 147 AB |
2015 |
8 |
351 |
7.8 |
8.01 |
14.10 |
6.09 |
|
<=== |
| Show |
|
70777 |
21 00 14 +36 57 47 |
HO 147 AC |
2015 |
11 |
248 |
26.2 |
8.01 |
12.80 |
4.79 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
70777 |
|
Tycho2 |
2713-02359-1 |
|
Gaia DR2 |
1871380923774965632 |
|
| HD |
200104 |
|
