Exposure
- ID
- GRAVI.2025-12-16T02:46:26.765_1
- Header ID
- GRAVI.2025-12-16T02:46:26.765
- Date updated
- 2025-12-16 03:00:53 UTC+0000
- Release date
- 2026-12-16 03:00:53 UTC+0000
- UTC Start
- 2025-12-16 02:46:26.765
- UTC End
- 2025-12-16 02:50:26.765
- MJD Start
- 61025.11558756
- MJD End
- 61025.11836533778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030965
- Ambient temperature (°C)
- 10.76
- Seeing (arcsec)
- 1.29
Observation
- ID
- 72320
- 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
- 53719
- Name
- HD_36881
- RA
- 83.804047
- DEC
- 10.24004
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 47.2220 | 47.0880 | 142.4000 | 142.4000 |
| A0-J2 | 116.3870 | 117.3860 | 97.9000 | 97.7000 |
| A0-J6 | 125.4880 | 126.0980 | 16.6760 | 17.3940 |
| B5-J2 | 89.0480 | 90.2400 | 76.1000 | 76.1000 |
| B5-J6 | 157.7720 | 157.8890 | 2.6080 | 3.2530 |
| J2-J6 | 157.6200 | 157.0810 | 329.8120 | 329.9610 |
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 | 61025.11558756 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 36881 |
| HIERARCH ESO INS SOBJ NAME | HD_36881 |
| RA | 83.804047 |
| 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 | 47.222 |
| HIERARCH ESO ISS PBL12 END | 47.088 |
| HIERARCH ESO ISS PBLA12 START | 142.4 |
| HIERARCH ESO ISS PBLA12 END | 142.4 |
| HIERARCH ESO ISS PBL13 START | 116.387 |
| HIERARCH ESO ISS PBL13 END | 117.386 |
| HIERARCH ESO ISS PBLA13 START | 97.9 |
| HIERARCH ESO ISS PBLA13 END | 97.7 |
| HIERARCH ESO ISS PBL14 START | 125.488 |
| HIERARCH ESO ISS PBL14 END | 126.098 |
| HIERARCH ESO ISS PBLA14 START | 16.676 |
| HIERARCH ESO ISS PBLA14 END | 17.394 |
| HIERARCH ESO ISS PBL23 START | 89.048 |
| HIERARCH ESO ISS PBL23 END | 90.24 |
| HIERARCH ESO ISS PBLA23 START | 76.1 |
| HIERARCH ESO ISS PBLA23 END | 76.1 |
| HIERARCH ESO ISS PBL24 START | 157.772 |
| HIERARCH ESO ISS PBL24 END | 157.889 |
| HIERARCH ESO ISS PBLA24 START | 2.608 |
| HIERARCH ESO ISS PBLA24 END | 3.253 |
| HIERARCH ESO ISS PBL34 START | 157.62 |
| HIERARCH ESO ISS PBL34 END | 157.081 |
| HIERARCH ESO ISS PBLA34 START | 329.812 |
| HIERARCH ESO ISS PBLA34 END | 329.961 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003273 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00292 |
| HIERARCH ESO ISS AMBI TEMP | 10.76 |
| HIERARCH ESO ISS AMBI FWHM START | 1.23 |
| HIERARCH ESO ISS AMBI FWHM END | 1.35 |