Theta Sagittae
Overlaid DSS image of Theta Sagittae, 60' x 60' with north at top and west to the right
Aladin viewer for the region around Theta Sagittae
θ Sge, 17 Sge
WDS J20099+2055
WDS J20099+2055
| Type | Star |
|---|---|
| Magnitude | 6.5 | Right Ascension | 20h 9' 56.6" (2000) |
| Declination | 20° 54' 54" N |
| Constellation | Sagitta |
| Description | binary |
| Classification | F3V |
Observing Notes
Andrew Cooper
Jun 20, 2023 Waikoloa, HI (map)
15cm f/5 Newtonian, Primero @ 92x
Seeing: 6 Transparency: 7 Moon: 0%
θ SgeA is a yellow-white in a pretty clump of stars among rich galactic starfield, a 9th magnitude companion visible 12" northwest, a wide double with the 7th magnitude HD 191571 visible 2' southwest
Gaia EDR3 data shows that θ SgeB, the 9th magnitude 12" companion is a very close match in parallax and shares a high proper motion, this is indeed a gravitationally bound pair, the 7th magnitude star is a background star
Other Data Sources for Theta Sagittae
Associated objects for Theta Sagittae
Nearby objects for Theta Sagittae
5 objects found within 60'
| NGC 6873 | NGC 6886 | PK60-7.1 |
| Theta Sagittae A | Theta Sagittae B |
Credits...
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
A complete list of credits and sources can be found on the about page
Theta Sagittae