21246+4801 HJ 1644 AB
21h 24m 35.82s +48° 00' 48.8" P.A. 114.00 sep 24.1 mag 9.42,11.74 Sp A0
| Coord 2000 |
21246+4801 |
|
Discov num |
HJ 1644 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 24 35.82 +48 00 48.8 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
122 |
|
Pa last |
114.4 |
|
P.A. Now (θ) |
114.4° |
|
| Sep first |
20.0 |
|
Sep last |
24.115 |
|
Sep. Now (ρ) |
24.115" |
|
| Mag pri |
9.42 |
|
Mag sec |
11.74 |
|
delta mag (ΔM) |
2.32 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.789
Nature of this double is uncertain.
21246+4801 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 24 36 +48 00 49 |
HJ 1644 AB |
2015 |
14 |
114 |
24.1 |
9.42 |
11.74 |
2.32 |
|
<=== |
| Show |
|
|
21 24 36 +48 00 49 |
HJ 1644 AC |
2015 |
6 |
42 |
37.7 |
9.42 |
13.86 |
4.44 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3594-02597-1 |
|
Gaia DR2 |
2164728461400411392 |
|
