06290+2013 BU 1192 Ba,Bb
06h 28m 53.77s +20° 14' 21.3" P.A. 300.00 sep 0.2 mag 8.60,8.90 Sp A0
| Coord 2000 |
06290+2013 |
|
Discov num |
BU 1192 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
06 28 53.77 +20 14 21.3 |
|
| Date first |
1890 |
|
Date last |
2021 |
|
Obs |
47 |
|
| Pa first |
346 |
|
Pa last |
300.1 |
|
P.A. Now (θ) |
304.3° |
|
| Sep first |
0.2 |
|
Sep last |
0.206 |
|
Sep. Now (ρ) |
0.226" |
|
| Mag pri |
8.60 |
|
Mag sec |
8.90 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
06290+2013 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
78423 |
06 28 58 +20 12 44 |
CIA 17 Aa1,2 |
2017 |
4 |
310 |
0.0 |
4.10 |
5.10 |
1.00 |
Y |
|
| Show |
|
78423 |
06 28 58 +20 12 44 |
BTZ 1 Aa,Ab |
2021 |
59 |
141 |
0.1 |
4.10 |
5.10 |
1.00 |
Y |
|
| Show |
Nu Gem |
78423 |
06 28 58 +20 12 44 |
STTA 77 AB |
2017 |
39 |
330 |
112.8 |
4.10 |
8.01 |
3.91 |
|
|
| Show |
|
78423 |
06 28 58 +20 12 44 |
DAL 33 AD |
2007 |
3 |
56 |
53.3 |
4.10 |
12.90 |
8.80 |
|
|
| Show |
|
78423 |
06 28 58 +20 12 44 |
BU 1192 AP |
2007 |
3 |
359 |
24.5 |
4.10 |
15.10 |
11.00 |
|
|
| Show |
|
78423 |
06 28 58 +20 12 44 |
BU 1192 AQ |
2007 |
6 |
14 |
55.1 |
4.10 |
13.90 |
9.80 |
|
|
| Show |
|
78423 |
06 28 58 +20 12 44 |
BU 1192 AR |
2007 |
7 |
256 |
56.5 |
4.10 |
12.60 |
8.50 |
|
|
| Show |
|
78423 |
06 28 58 +20 12 44 |
BU 1192 AS |
2007 |
6 |
12 |
93.1 |
4.10 |
13.17 |
9.07 |
|
|
| Show |
|
78420 |
06 28 54 +20 14 21 |
BU 1192 Ba,Bb |
2021 |
47 |
300 |
0.2 |
8.60 |
8.90 |
0.30 |
Y |
<=== |
Decuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Gemini |
|
SAO |
78420 |
|
Tycho2 |
1336-01595-1 |
|
Gaia DR2 |
3372553701172235776 |
|
| HD |
257937 |
|
GC |
8391 |
|
ADS |
5103 |
|
DM |
BD+20 1440 |
|
| Bayer |
Nu Geminorum |
|
Bayer name |
Nu Gem |
|
Bayer greek |
ν Gem |
|
ORBITAL ELEMENTS
| Period (P) | 103.9y | ± 1.5 |
Periastron (T) | 1979.7y | ± 0.75 |
Semi-major axis (a) | 0.168a | ± 0.007 |
| Eccentricity (e) | 0.453 | ± 0.029 |
Inclination (i) | 127° | ± 5.4 |
Longitude of periastron (ω) | 36.8° | ± 7.3 |
| Node (Ω) | 139.3° | ± 5.2 |
Notes | n | |
Reference | Msn2021c | |
| Equinox | | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
332.3 |
0.169 |
| 2001 |
330.5 |
0.175 |
| 2002 |
328.8 |
0.180 |
| 2003 |
327.2 |
0.186 |
| 2004 |
325.8 |
0.190 |
| 2005 |
324.3 |
0.195 |
| 2006 |
323.0 |
0.199 |
| 2007 |
321.7 |
0.203 |
| 2008 |
320.4 |
0.206 |
| 2009 |
319.2 |
0.210 |
| 2010 |
318.1 |
0.213 |
| 2011 |
316.9 |
0.215 |
| 2012 |
315.8 |
0.218 |
| 2013 |
314.7 |
0.220 |
| 2014 |
313.6 |
0.221 |
| 2015 |
312.5 |
0.223 |
| 2016 |
311.5 |
0.224 |
| 2017 |
310.5 |
0.225 |
| 2018 |
309.4 |
0.226 |
| 2019 |
308.4 |
0.226 |
| 2020 |
307.4 |
0.227 |
| 2021 |
306.4 |
0.227 |
| 2022 |
305.3 |
0.227 |
| 2023 |
304.3 |
0.226 |
| 2024 |
303.3 |
0.226 |
| 2025 |
302.3 |
0.225 |
| 2026 |
301.2 |
0.224 |
| 2027 |
300.2 |
0.223 |
| 2028 |
299.1 |
0.221 |
| 2029 |
298.0 |
0.219 |
| 2030 |
296.9 |
0.218 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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