16001-3824 RMK 21 AB (Eta Lup)
16h 00m 07.33s -38° 23' 48.1" P.A. 19.00 sep 14.8 mag 3.37,7.50 Sp B2.5IV dist. 135.5 pc (442 l.y.)
| Coord 2000 |
16001-3824 |
|
Discov num |
RMK 21 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 00 07.33 -38 23 48.1 |
|
| Date first |
1834 |
|
Date last |
2020 |
|
Obs |
43 |
|
| Pa first |
22 |
|
Pa last |
19.3 |
|
P.A. Now (θ) |
19.3° |
|
| Sep first |
13.5 |
|
Sep last |
14.76 |
|
Sep. Now (ρ) |
14.76" |
|
| Mag pri |
3.37 |
|
Mag sec |
7.50 |
|
delta mag (ΔM) |
4.13 |
|
Spectral class |
B2.5IV (blue-white) |
|
| Pri motion ra |
-017 |
|
Sec motion ra |
-026 |
|
| Pri motion dec |
-026 |
|
Sec motion dec |
-030 |
|
| Notes |
N
(See Notes) |
|
rPM=0.248 (< 0.3, Physical double)
This double is physical.
16001-3824 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Eta Lup |
207208 |
16 00 07 -38 23 48 |
RMK 21 AB |
2020 |
43 |
19 |
14.8 |
3.37 |
7.50 |
4.13 |
|
<=== |
| Show |
|
207208 |
16 00 07 -38 23 48 |
RMK 21 AC |
2015 |
12 |
248 |
114.9 |
3.37 |
9.39 |
6.02 |
|
|
| Show |
|
207208 |
16 00 07 -38 23 48 |
ANT 2 AD |
2007 |
5 |
293 |
135.5 |
3.37 |
10.85 |
7.48 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Eta Lup |
|
Constellation |
Lupus |
|
SAO |
207208 |
|
HIP |
78384 |
|
| Tycho2 |
7851-01814-1 |
|
Gaia DR2 |
5998019895872140800 |
|
HD |
143118 |
|
HR |
5948 |
|
| GC |
21478 |
|
CD |
CD-3810797 |
|
CP |
CP-38 6322 |
|
Bayer |
Eta Lupi |
|
| Bayer name |
Eta Lup |
|
Distance |
135.5 |
|
Distance ly |
442 |
|
Bayer greek |
η Lup |
|
