WDS 18542-2245 HJ 5072 AC : NOTES
| discov_num |
notes |
refcode |
| BU 1033 |
nu 1 Sgr = 32 Sgr = Ainalrami |
|
| nu Sgr |
Henroteau notes that Ptolemy (Magna compositio. Venetiis 1515, lib |
HFC1928 |
|
VIII, cap 1) called the 14' pair nu 1 + nu 2 Sgr a double star. |
|
|
This is perhaps the earliest description of a double star. |
|
REFERENCES
| refcode |
metd |
author |
reference |
| HFC1928 |
- |
Henroteau, F.C. |
1928HDA.....6..299H |
| HFC1928 |
|
Handbuch der Astrophysik 6, part 2, 299, 1928 (no data) |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
BU |
Burnham, S.W. (BU 1 - 81) |
| 179 |
HJ |
Herschel, J.F.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 18542-2245 |
HJ 5072 |
AC |
1998 |
10 |
57 |
27.9 |
4.90 |
11.21 |
G2I |
D |
185410.18-224441.4 |
| 18542-2245 |
HJ 5072 |
AC |
1999 |
11 |
59 |
27.5 |
4.90 |
11.21 |
G2I |
N D |
185410.18-224441.4 |
| 18542-2245 |
HJ 5072 |
AC |
2019 |
12 |
58 |
28.0 |
5.01 |
11.21 |
G2I |
N |
185410.18-224441.4 |
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