18409-1430 BU 967 AB (HD 172475)
18h 40m 54.59s -14° 30' 20.5" P.A. 195.00 sep 2.4 mag 8.20,11.50 Sp K0/1III
| Coord 2000 |
18409-1430 |
|
Discov num |
BU 967 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 40 54.59 -14 30 20.5 |
|
| Date first |
1880 |
|
Date last |
1962 |
|
Obs |
7 |
|
| Pa first |
196 |
|
Pa last |
194.8 |
|
P.A. Now (θ) |
194.8° |
|
| Sep first |
2.4 |
|
Sep last |
2.43 |
|
Sep. Now (ρ) |
2.43" |
|
| Mag pri |
8.20 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
3.3 |
|
Spectral class |
K0/1III (yellow-orange) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18409-1430 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 172475 |
161716 |
18 40 55 -14 30 20 |
BU 967 AB |
1962 |
7 |
195 |
2.4 |
8.20 |
11.50 |
3.30 |
|
<=== |
| Show |
|
161716 |
18 40 55 -14 30 20 |
BU 967 AC |
2015 |
4 |
53 |
39.0 |
8.69 |
12.73 |
4.04 |
|
|
| Show |
|
161716 |
18 40 55 -14 30 20 |
DAM 13 AD |
2015 |
4 |
66 |
55.5 |
8.34 |
11.50 |
3.16 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172475 |
|
Constellation |
Scutum |
|
SAO |
161716 |
|
Tycho2 |
5704-00489-1 |
|
| Gaia DR2 |
4103567683453431296 |
|
HD |
172475 |
|
GC |
25546 |
|
