Alert Notice 150: Rare outburst of 2137+48 V1251 Cygni AND Large amplitude HIPPARCOS stars in need of more observations AND Updates on the activities
Abstract:
The cataclysmic variable 2137+48 V1251 Cygni is in outburst for the first time since 1963. Additionally, large amplitude HIPPARCOS stars require more observations and updates on the activities of stars reported in Alert Notice 149 are provided.
Justification:
Continuous monitoring of V1251 Cyg is essential due to its rare outburst. Additional observations of large amplitude HIPPARCOS stars aid the ongoing HIPPARCOS mission, which provides valuable astrometric and photometric data.
Requested Data Types:
Photometry
Targets
| Name | Magnitude | Variability Type | Photometry Notes | Spectroscopy Notes |
|---|---|---|---|---|
| V1017 Sgr | 6.40 | NA+UG |
Cadence: Not Specified Precision: 100 |
Not Requested |
| R Sgr | 6.70 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| VZ Sgr | 10.12 | RCB |
Cadence: Not Specified Precision: 100 |
Not Requested |
| V1251 Cyg | 12.50 | UGWZ |
Cadence: Not Specified Precision: 100 |
Not Requested |
| RU Oct | 11.07 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| T Scl | 8.19 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| RT Eri | 8.50 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| RS Eri | 7.90 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| SU Dor | 8.50 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| SX Eri | 9.30 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| U Dor | 8.20 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| T Vol | 9.70 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| SY CMa | 8.70 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| VX Gem | 7.90 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| V Gem | 7.80 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| VX Aur | 8.00 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| SU Pup | 9.30 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| RT Cap | 6.80 | SRB |
Cadence: Not Specified Precision: 100 |
Not Requested |
| BMAM-V865 | 12.32 | EA |
Cadence: Not Specified Precision: 100 |
Not Requested |
| U Mic | 7.00 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| R Mic | 8.30 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| V Cap | 8.10 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| T Cap | 8.70 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| W Mic | 10.30 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| V Mic | 9.40 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| WW Aqr | 10.50 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| X Aqr | 7.20 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| RT Aqr | 8.80 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| T Gru | 8.00 | SRB |
Cadence: Not Specified Precision: 100 |
Not Requested |
| RT Oct | 9.58 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| SX Peg | 8.06 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
| Z Phe | 9.80 | M |
Cadence: Not Specified Precision: 100 |
Not Requested |
Spectroscopy Lines:
No spectroscopy lines provided
Photometry Filters:
V (Johnson)
Comparison Stars:
No comparison stars provided
Co-Authorship
Observers are not eligible for co-authorship.
Additional Observer Input:
Not provided
Additional Submission Location:
Not provided
Forum URL
N/A
Notes:
Principal Investigator: G. Hurst, P. Schmeer; Imported Campaign (Alert Notice #150)