WDS 19138+3909 STF 2487 AB (Aladfar) : NOTES
| discov_num |
notes |
refcode |
| STF2487 |
eta Lyr = 20 Lyr = Aladfar. B is BD+38@3491. A is a spectroscopic |
|
|
binary. |
|
|
AB: H 4 2. |
MEv2010 |
|
AB: SEI 581. |
Nsn2017b |
REFERENCES
| refcode |
metd |
author |
reference |
| MEv2010 |
- |
MacEvoy, B. |
................... |
| MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
| Nsn2017b |
not - |
Nanson, J. |
................... |
| Nsn2017b |
|
private communication, 2017 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 19138+3909 |
STF2487 |
AB |
2006 |
59 |
81 |
28.3 |
4.38 |
8.58 |
B2.5IV |
N D |
191345.49+390845.5 |
| 19138+3909 |
STF2487 |
AB |
2009 |
60 |
80 |
28.6 |
4.38 |
8.58 |
B2.5IV |
N D |
191345.49+390845.5 |
| 19138+3909 |
STF2487 |
AB |
2010 |
64 |
80 |
28.3 |
4.38 |
8.58 |
B2.5IV |
N D |
191345.49+390845.5 |
| 19138+3909 |
STF2487 |
AB |
2011 |
66 |
81 |
28.2 |
4.38 |
8.58 |
B2.5IV |
N D |
191345.49+390845.5 |
| 19138+3909 |
STF2487 |
AB |
2012 |
68 |
81 |
28.7 |
4.38 |
8.58 |
B2.5IV |
N D |
191345.49+390845.5 |
| 19138+3909 |
STF2487 |
AB |
2013 |
70 |
79 |
28.3 |
4.38 |
8.58 |
B2.5IV |
N D |
191345.49+390845.5 |
| 19138+3909 |
STF2487 |
AB |
2014 |
72 |
80 |
28.2 |
4.38 |
8.58 |
B2.5IV |
N D |
191345.49+390845.5 |
| 19138+3909 |
STF2487 |
AB |
2016 |
73 |
80 |
28.3 |
4.38 |
8.58 |
B2.5IV |
N |
191345.49+390845.5 |
| 19138+3909 |
STF2487 |
AB |
2017 |
74 |
81 |
28.4 |
4.38 |
8.58 |
B2.5IV |
N |
191345.49+390845.5 |
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