18581-2953 SKF 1507 AB
18h 58m 04.16s -29° 53' 04.7" P.A. 167.00 sep 28.3 mag 11.80,13.80 Sp M0Ve
Coord 2000 |
18581-2953 |
|
Discov num |
SKF1507 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 58 04.16 -29 53 04.7 |
|
Date first |
1996 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
167 |
|
Pa last |
166.6 |
|
P.A. Now (θ) |
166.6° |
|
Sep first |
28.2 |
|
Sep last |
28.309 |
|
Sep. Now (ρ) |
28.309" |
|
Mag pri |
11.80 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
M0Ve (red) |
|
Pri motion ra |
+012 |
|
Sec motion ra |
+015 |
|
Pri motion dec |
-046 |
|
Sec motion dec |
-046 |
|
Notes |
V
W
(Proper motion indicates physical, ) |
|
rPM=0.062 (< 0.3, Physical double)
This double is physical.
18581-2953 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 58 04 -29 53 05 |
VSP 52 Aa,Ab |
2021 |
4 |
298 |
0.1 |
9.00 |
10.90 |
1.90 |
|
|
Show |
|
|
18 58 04 -29 53 05 |
SKF 1507 AB |
2015 |
7 |
167 |
28.3 |
11.80 |
13.80 |
2.00 |
|
<=== |
Show |
|
|
18 58 05 -29 53 12 |
SKF 1507 Ba,Bb |
2021 |
1 |
246 |
0.4 |
14.60 |
14.60 |
0.00 |
|
|
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6872-01011-1 |
|