21373+5900 HJ 1677 AB (HD 239716)
21h 37m 19.98s +59° 00' 16.5" P.A. 128.00 sep 16.1 mag 9.87,10.59 Sp F8
| Coord 2000 |
21373+5900 |
|
Discov num |
HJ 1677 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 37 19.98 +59 00 16.5 |
|
| Date first |
1828 |
|
Date last |
2016 |
|
Obs |
24 |
|
| Pa first |
129 |
|
Pa last |
128 |
|
P.A. Now (θ) |
128° |
|
| Sep first |
13.0 |
|
Sep last |
16.117 |
|
Sep. Now (ρ) |
16.117" |
|
| Mag pri |
9.87 |
|
Mag sec |
10.59 |
|
delta mag (ΔM) |
0.72 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+022 |
|
Sec motion ra |
+021 |
|
| Pri motion dec |
+034 |
|
Sec motion dec |
+031 |
|
| Notes |
N
V
W
(See Notes, Proper motion indicates physical, ) |
|
rPM=0.078 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 239716 |
|
Constellation |
Cepheus |
|
SAO |
33593 |
|
Tycho2 |
3979-00107-1 |
|
| HD |
239716 |
|
