18394-0239 BRT 1948 (HD 172274)
18h 39m 21.80s -02° 38' 36.3" P.A. 248.00 sep 4.1 mag 9.80,12.30 Sp F0
Coord 2000 |
18394-0239 |
|
Discov num |
BRT1948 |
|
Comp |
|
|
Coord arcsec 2000 |
18 39 21.80 -02 38 36.3 |
|
Date first |
1931 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
251 |
|
Pa last |
248.2 |
|
P.A. Now (θ) |
248.2° |
|
Sep first |
3.3 |
|
Sep last |
4.092 |
|
Sep. Now (ρ) |
4.092" |
|
Mag pri |
9.80 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
-009 |
|
Sec motion ra |
|
|
Pri motion dec |
-014 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 172274 |
|
Constellation |
Serpens |
|
SAO |
142473 |
|
Tycho2 |
5117-00577-1 |
|
Gaia DR2 |
4259411705660502784 |
|
HD |
172274 |
|