20031+2456 ROE 147 (HD 339518)
20h 03m 07.66s +24° 55' 56.3" P.A. 178.00 sep 2.1 mag 10.80,12.14 Sp A2
| Coord 2000 |
20031+2456 |
|
Discov num |
ROE 147 |
|
Comp |
|
|
Coord arcsec 2000 |
20 03 07.66 +24 55 56.3 |
|
| Date first |
1919 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
178 |
|
Pa last |
177.5 |
|
P.A. Now (θ) |
177.5° |
|
| Sep first |
2.0 |
|
Sep last |
2.117 |
|
Sep. Now (ρ) |
2.117" |
|
| Mag pri |
10.80 |
|
Mag sec |
12.14 |
|
delta mag (ΔM) |
1.34 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 339518 |
|
Constellation |
Vulpecula |
|
Tycho2 |
2145-00572-1 |
|
Gaia DR2 |
1834673590626088448 |
|
| HD |
339518 |
|
