Exposure
- ID
- GRAVI.2025-04-27T07:08:21.276_1
- Header ID
- GRAVI.2025-04-27T07:08:21.276
- Date updated
- 2025-04-27 07:25:47 UTC+0000
- Release date
- 2025-04-27 07:08:21 UTC+0000
- UTC Start
- 2025-04-27 07:08:21.276
- UTC End
- 2025-04-27 07:15:01.276
- MJD Start
- 60792.29746847
- MJD End
- 60792.30209809963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050725
- Ambient temperature (°C)
- 12.15
- Seeing (arcsec)
- 0.35
Observation
- ID
- 67020
- Category
- calibrator
- Program ID
- 115.28G0.003
- Program Title
- VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
- Program Type
- Normal
- PI / COI
- LU / KRAUS / GARDNER
Target
- ID
- 49828
- Name
- HD_175801
- RA
- 285.014116
- DEC
- -55.13694
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 77.2010 | 78.0060 | 86.5000 | 88.0000 |
| A0-J2 | 121.5010 | 122.1760 | 64.1000 | 65.7000 |
| A0-K0 | 127.0630 | 127.2470 | 46.1300 | 47.6320 |
| G1-J2 | 58.1410 | 58.1070 | 33.7000 | 35.1000 |
| G1-K0 | 84.6590 | 84.5590 | 9.8950 | 10.9500 |
| J2-K0 | 39.2550 | 39.4750 | 333.1790 | 333.9580 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.28G0.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60792.29746847 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 175801 |
| HIERARCH ESO INS SOBJ NAME | HD_175801 |
| RA | 285.014116 |
| DEC | -55.13694 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 77.201 |
| HIERARCH ESO ISS PBL12 END | 78.006 |
| HIERARCH ESO ISS PBLA12 START | 86.5 |
| HIERARCH ESO ISS PBLA12 END | 88.0 |
| HIERARCH ESO ISS PBL13 START | 121.501 |
| HIERARCH ESO ISS PBL13 END | 122.176 |
| HIERARCH ESO ISS PBLA13 START | 64.1 |
| HIERARCH ESO ISS PBLA13 END | 65.7 |
| HIERARCH ESO ISS PBL14 START | 127.063 |
| HIERARCH ESO ISS PBL14 END | 127.247 |
| HIERARCH ESO ISS PBLA14 START | 46.13 |
| HIERARCH ESO ISS PBLA14 END | 47.632 |
| HIERARCH ESO ISS PBL23 START | 58.141 |
| HIERARCH ESO ISS PBL23 END | 58.107 |
| HIERARCH ESO ISS PBLA23 START | 33.7 |
| HIERARCH ESO ISS PBLA23 END | 35.1 |
| HIERARCH ESO ISS PBL24 START | 84.659 |
| HIERARCH ESO ISS PBL24 END | 84.559 |
| HIERARCH ESO ISS PBLA24 START | 9.895 |
| HIERARCH ESO ISS PBLA24 END | 10.95 |
| HIERARCH ESO ISS PBL34 START | 39.255 |
| HIERARCH ESO ISS PBL34 END | 39.475 |
| HIERARCH ESO ISS PBLA34 START | 333.179 |
| HIERARCH ESO ISS PBLA34 END | 333.958 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006313 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003832 |
| HIERARCH ESO ISS AMBI TEMP | 12.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.3 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |