- Constellation: Boo
- Variability type: EW
- Maximal brightness (Mag): 12.100 (R)
- Minimum brightness (Mag): 12.650 (R)
- Brightness in secondary minimum (Mag): 12.100 (R)
- Astrophysical interest: Light time effect (LTE), Period increasing
- Created: 6/15/2006
- Created by: admin
- Period (d): 0.278049000000000
- Epoch (HJD): 51403.12500
- Secondary Epoch (HJD): 51403.26400
3/19/2026, Filip Walter:
- Astrophysical interest: Possible period changes → Light time effect (LTE), Period increasing
12/16/2025, Filip Walter:
- Name: PY → PY Boo
- Astrophysical interest: Nothing → Possible period changes
Source: The STScI Digitized Sky Survey
Number of observations
32 x
Number of observers
15 x

Last observed before
1 days
P: M = 2451403.125 + 0.278049 * E
S: M = 2451403.264 + 0.278049 * E
| ID | HJDmin | Error (+/-) | UTCmin | Epoch | O-C (d) | P/S | Phot. band | Observer | Publication | Note | Instrument |
|---|