Exposure
- ID
- GRAVI.2025-04-24T23:34:35.291_1
- Header ID
- GRAVI.2025-04-24T23:34:35.291
- Date updated
- 2025-04-24 23:40:50 UTC+0000
- Release date
- 2026-04-24 23:40:50 UTC+0000
- UTC Start
- 2025-04-24 23:34:35.291
- UTC End
- 2025-04-24 23:34:54.491
- MJD Start
- 60789.98235291
- MJD End
- 60789.98257513223
- Exposure time (s)
- 19.2
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.025840000000000002
- Ambient temperature (°C)
- 14.37
- Seeing (arcsec)
- 0.6
Observation
- ID
- 66972
- Category
- science
- Program ID
- 112.25JD.002
- Program Title
- PINNING DOWN THE ORBIT OF HD 100453 B, A POTENTIAL SPIRAL-ARM-DRIVING COMPANION
- Program Type
- Monitoring
- PI / COI
- XIE / CHOQUET / VIGAN / REN / LACOUR / DONG / WAGNER / FANG / GONZALEZ
Target
- ID
- 49789
- Name
- HD_100453_B
- RA
- 173.269064
- DEC
- -54.32463
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 75.3210 | 75.4040 | 83.8000 | 83.9000 |
| A0-J2 | 119.7110 | 119.7820 | 60.9000 | 61.0000 |
| A0-K0 | 126.4630 | 126.4850 | 42.9120 | 43.0580 |
| G1-J2 | 58.2100 | 58.2090 | 30.7000 | 30.8000 |
| G1-K0 | 85.1780 | 85.1710 | 7.5810 | 7.6830 |
| J2-K0 | 39.0320 | 39.0540 | 331.7450 | 331.8180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25JD.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60789.98235291 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100453 |
| HIERARCH ESO INS SOBJ NAME | HD_100453_B |
| RA | 173.269064 |
| DEC | -54.32463 |
| HIERARCH ESO INS SPEC RES | LOW |
| 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 | 41.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 75.321 |
| HIERARCH ESO ISS PBL12 END | 75.404 |
| HIERARCH ESO ISS PBLA12 START | 83.8 |
| HIERARCH ESO ISS PBLA12 END | 83.9 |
| HIERARCH ESO ISS PBL13 START | 119.711 |
| HIERARCH ESO ISS PBL13 END | 119.782 |
| HIERARCH ESO ISS PBLA13 START | 60.9 |
| HIERARCH ESO ISS PBLA13 END | 61.0 |
| HIERARCH ESO ISS PBL14 START | 126.463 |
| HIERARCH ESO ISS PBL14 END | 126.485 |
| HIERARCH ESO ISS PBLA14 START | 42.912 |
| HIERARCH ESO ISS PBLA14 END | 43.058 |
| HIERARCH ESO ISS PBL23 START | 58.21 |
| HIERARCH ESO ISS PBL23 END | 58.209 |
| HIERARCH ESO ISS PBLA23 START | 30.7 |
| HIERARCH ESO ISS PBLA23 END | 30.8 |
| HIERARCH ESO ISS PBL24 START | 85.178 |
| HIERARCH ESO ISS PBL24 END | 85.171 |
| HIERARCH ESO ISS PBLA24 START | 7.581 |
| HIERARCH ESO ISS PBLA24 END | 7.683 |
| HIERARCH ESO ISS PBL34 START | 39.032 |
| HIERARCH ESO ISS PBL34 END | 39.054 |
| HIERARCH ESO ISS PBLA34 START | 331.745 |
| HIERARCH ESO ISS PBLA34 END | 331.818 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.02536 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.02632 |
| HIERARCH ESO ISS AMBI TEMP | 14.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |