Exposure
- ID
- GRAVI.2025-11-11T05:03:25.046_1
- Header ID
- GRAVI.2025-11-11T05:03:25.046
- Date updated
- 2025-11-11 05:11:13 UTC+0000
- Release date
- 2025-11-11 05:03:25 UTC+0000
- UTC Start
- 2025-11-11 05:03:25.046
- UTC End
- 2025-11-11 05:06:05.046
- MJD Start
- 60990.21070655
- MJD End
- 60990.21255840186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004207
- Ambient temperature (°C)
- 13.87
- Seeing (arcsec)
- 0.5549999999999999
Observation
- ID
- 71455
- Category
- calibrator
- Program ID
- 116.28ZD.003
- Program Title
- DO SOME HOT SUBDWARF BINARIES DESCEND FROM HIERARCHICAL TRIPLES? NEW INSIGHTS FROM INTERFEROMETRY
- Program Type
- Normal
- PI / COI
- DESHMUKH / GEIER / SANA / DAWSON / DORSCH / HEBER / KUPFER
Target
- ID
- 53069
- Name
- BSD_47-534
- RA
- 52.96035
- DEC
- 31.25873
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 38.8540 | 39.1450 | 41.6000 | 41.7000 |
| U1-U3 | 75.2830 | 75.8380 | 48.6000 | 48.6000 |
| U1-U4 | 120.7510 | 121.2380 | 71.2780 | 70.9830 |
| U2-U3 | 37.0270 | 37.2770 | 56.0000 | 55.9000 |
| U2-U4 | 89.1040 | 89.1800 | 83.7550 | 83.3870 |
| U3-U4 | 58.9270 | 58.7060 | 100.7840 | 100.4510 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28ZD.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60990.21070655 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | BSD 47-534 |
| HIERARCH ESO INS SOBJ NAME | BSD_47-534 |
| RA | 52.96035 |
| DEC | 31.25873 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 176.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 38.854 |
| HIERARCH ESO ISS PBL12 END | 39.145 |
| HIERARCH ESO ISS PBLA12 START | 41.6 |
| HIERARCH ESO ISS PBLA12 END | 41.7 |
| HIERARCH ESO ISS PBL13 START | 75.283 |
| HIERARCH ESO ISS PBL13 END | 75.838 |
| HIERARCH ESO ISS PBLA13 START | 48.6 |
| HIERARCH ESO ISS PBLA13 END | 48.6 |
| HIERARCH ESO ISS PBL14 START | 120.751 |
| HIERARCH ESO ISS PBL14 END | 121.238 |
| HIERARCH ESO ISS PBLA14 START | 71.278 |
| HIERARCH ESO ISS PBLA14 END | 70.983 |
| HIERARCH ESO ISS PBL23 START | 37.027 |
| HIERARCH ESO ISS PBL23 END | 37.277 |
| HIERARCH ESO ISS PBLA23 START | 56.0 |
| HIERARCH ESO ISS PBLA23 END | 55.9 |
| HIERARCH ESO ISS PBL24 START | 89.104 |
| HIERARCH ESO ISS PBL24 END | 89.18 |
| HIERARCH ESO ISS PBLA24 START | 83.755 |
| HIERARCH ESO ISS PBLA24 END | 83.387 |
| HIERARCH ESO ISS PBL34 START | 58.927 |
| HIERARCH ESO ISS PBL34 END | 58.706 |
| HIERARCH ESO ISS PBLA34 START | 100.784 |
| HIERARCH ESO ISS PBLA34 END | 100.451 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003899 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004515 |
| HIERARCH ESO ISS AMBI TEMP | 13.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |