Exposure
- ID
- GRAVI.2025-11-27T06:52:17.505_1
- Header ID
- GRAVI.2025-11-27T06:52:17.505
- Date updated
- 2025-11-27 07:05:57 UTC+0000
- Release date
- 2026-11-27 07:05:57 UTC+0000
- UTC Start
- 2025-11-27 06:52:17.505
- UTC End
- 2025-11-27 06:56:17.505
- MJD Start
- 61006.28631371
- MJD End
- 61006.28909148778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033870000000000003
- Ambient temperature (°C)
- 14.96
- Seeing (arcsec)
- 0.665
Observation
- ID
- 71874
- Category
- science
- Program ID
- 116.2901.001
- Program Title
- A NON-INTERACTING BLACK HOLE HIDING AROUND A CHEMICALLY PECULIAR B-STAR?
- Program Type
- Normal
- PI / COI
- ROWAN / THOMPSON / KRAUS
Target
- ID
- 53355
- Name
- HD_36881
- RA
- 83.804048
- DEC
- 10.24004
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 38.4990 | 38.2480 | 152.5000 | 153.0000 |
| A0-J2 | 124.0260 | 123.3410 | 89.7000 | 89.5000 |
| A0-J6 | 156.2620 | 156.9390 | 34.4260 | 34.5970 |
| B5-J2 | 111.7960 | 111.6650 | 71.9000 | 71.6000 |
| B5-J6 | 177.6440 | 178.3410 | 23.3970 | 23.7220 |
| J2-J6 | 133.0800 | 132.5850 | 344.4430 | 345.0360 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.2901.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 61006.28631371 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 36881 |
| HIERARCH ESO INS SOBJ NAME | HD_36881 |
| RA | 83.804048 |
| DEC | 10.24004 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B5 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | J6 |
| EXPTIME | 256.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 38.499 |
| HIERARCH ESO ISS PBL12 END | 38.248 |
| HIERARCH ESO ISS PBLA12 START | 152.5 |
| HIERARCH ESO ISS PBLA12 END | 153.0 |
| HIERARCH ESO ISS PBL13 START | 124.026 |
| HIERARCH ESO ISS PBL13 END | 123.341 |
| HIERARCH ESO ISS PBLA13 START | 89.7 |
| HIERARCH ESO ISS PBLA13 END | 89.5 |
| HIERARCH ESO ISS PBL14 START | 156.262 |
| HIERARCH ESO ISS PBL14 END | 156.939 |
| HIERARCH ESO ISS PBLA14 START | 34.426 |
| HIERARCH ESO ISS PBLA14 END | 34.597 |
| HIERARCH ESO ISS PBL23 START | 111.796 |
| HIERARCH ESO ISS PBL23 END | 111.665 |
| HIERARCH ESO ISS PBLA23 START | 71.9 |
| HIERARCH ESO ISS PBLA23 END | 71.6 |
| HIERARCH ESO ISS PBL24 START | 177.644 |
| HIERARCH ESO ISS PBL24 END | 178.341 |
| HIERARCH ESO ISS PBLA24 START | 23.397 |
| HIERARCH ESO ISS PBLA24 END | 23.722 |
| HIERARCH ESO ISS PBL34 START | 133.08 |
| HIERARCH ESO ISS PBL34 END | 132.585 |
| HIERARCH ESO ISS PBLA34 START | 344.443 |
| HIERARCH ESO ISS PBLA34 END | 345.036 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003268 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003506 |
| HIERARCH ESO ISS AMBI TEMP | 14.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |