20487+5155 STF 2732 (HD 198513)
20h 48m 42.74s +51° 54' 37.1" P.A. 73.00 sep 4.3 mag 6.38,8.63 Sp B8np dist. 222.72 pc (726.51 l.y.)
Coord 2000 |
20487+5155 |
|
Discov num |
STF2732 |
|
Comp |
|
|
Coord arcsec 2000 |
20 48 42.74 +51 54 37.1 |
|
Date first |
1825 |
|
Date last |
2016 |
|
Obs |
45 |
|
Pa first |
75 |
|
Pa last |
72.6 |
|
P.A. Now (θ) |
72.6° |
|
Sep first |
4.4 |
|
Sep last |
4.269 |
|
Sep. Now (ρ) |
4.269" |
|
Mag pri |
6.38 |
|
Mag sec |
8.63 |
|
delta mag (ΔM) |
2.25 |
|
Spectral class |
B8np (blue-white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
+002 |
|
Notes |
N
(See Notes) |
|
rPM=1.458
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 198513 |
|
Constellation |
Cygnus |
|
SAO |
32908 |
|
HIP |
102712 |
|
Tycho2 |
3586-02802-1 |
|
Gaia DR2 |
2182038622709013120 |
|
HD |
198513 |
|
HR |
7978 |
|
GC |
29033 |
|
ADS |
14336 |
|
BD |
BD+51 2957 |
|
Distance |
222.72 |
|
Distance ly |
726.51 |
|