18007+5453 ES 640 (HD 234538)
18h 00m 42.85s +54° 52' 38.1" P.A. 77.00 sep 8.4 mag 9.51,10.10 Sp F2
| Coord 2000 |
18007+5453 |
|
Discov num |
ES 640 |
|
Comp |
|
|
Coord arcsec 2000 |
18 00 42.85 +54 52 38.1 |
|
| Date first |
1902 |
|
Date last |
2018 |
|
Obs |
19 |
|
| Pa first |
76 |
|
Pa last |
76.7 |
|
P.A. Now (θ) |
76.7° |
|
| Sep first |
8.2 |
|
Sep last |
8.402 |
|
Sep. Now (ρ) |
8.402" |
|
| Mag pri |
9.51 |
|
Mag sec |
10.10 |
|
delta mag (ΔM) |
0.59 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
+011 |
|
Sec motion dec |
+013 |
|
| Notes |
|
|
rPM=0.265 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 234538 |
|
Constellation |
Draco |
|
SAO |
30694 |
|
Tycho2 |
3907-01537-1 |
|
| Gaia DR2 |
2149760942740704384 |
|
HD |
234538 |
|
