21587+6434 HJ 1713 (HD 209122)
21h 58m 42.66s +64° 33' 49.4" P.A. 125.00 sep 18.7 mag 8.69,10.67 Sp G5
Coord 2000 |
21587+6434 |
|
Discov num |
HJ 1713 |
|
Comp |
|
|
Coord arcsec 2000 |
21 58 42.66 +64 33 49.4 |
|
Date first |
1828 |
|
Date last |
2016 |
|
Obs |
19 |
|
Pa first |
126 |
|
Pa last |
125.1 |
|
P.A. Now (θ) |
125.1° |
|
Sep first |
18.0 |
|
Sep last |
18.7 |
|
Sep. Now (ρ) |
18.7" |
|
Mag pri |
8.69 |
|
Mag sec |
10.67 |
|
delta mag (ΔM) |
1.98 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+061 |
|
Sec motion ra |
+056 |
|
Pri motion dec |
-055 |
|
Sec motion dec |
-056 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.062 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 209122 |
|
Constellation |
Cepheus |
|
SAO |
19771 |
|
Tycho2 |
4270-02302-1 |
|
Gaia DR2 |
2218315256515178112 |
|
HD |
209122 |
|