Exposure
- ID
- GRAVI.2025-04-24T23:46:53.323_2
- Header ID
- GRAVI.2025-04-24T23:46:53.323
- Date updated
- 2025-04-24 23:55:48 UTC+0000
- Release date
- 2026-04-24 23:55:48 UTC+0000
- UTC Start
- 2025-04-24 23:46:53.323
- UTC End
- 2025-04-24 23:49:33.323
- MJD Start
- 60789.99089494
- MJD End
- 60789.99274679185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0182055
- Ambient temperature (°C)
- 14.16
- Seeing (arcsec)
- 0.575
Observation
- ID
- 66954
- 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
- 40028
- Name
- HD_100453
- RA
- 173.27323333333334
- DEC
- -54.32459638888889
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 76.8460 | 77.1960 | 86.4000 | 87.0000 |
| A0-J2 | 121.0120 | 121.3100 | 63.7000 | 64.4000 |
| A0-K0 | 126.8620 | 126.9490 | 45.6050 | 46.2350 |
| G1-J2 | 58.1770 | 58.1670 | 33.2000 | 33.7000 |
| G1-K0 | 85.0360 | 84.9970 | 9.4500 | 9.8900 |
| J2-K0 | 39.4480 | 39.5420 | 333.0900 | 333.4100 |
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 | 60789.99089494 |
| 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 | 176.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 76.846 |
| HIERARCH ESO ISS PBL12 END | 77.196 |
| HIERARCH ESO ISS PBLA12 START | 86.4 |
| HIERARCH ESO ISS PBLA12 END | 87.0 |
| HIERARCH ESO ISS PBL13 START | 121.012 |
| HIERARCH ESO ISS PBL13 END | 121.31 |
| HIERARCH ESO ISS PBLA13 START | 63.7 |
| HIERARCH ESO ISS PBLA13 END | 64.4 |
| HIERARCH ESO ISS PBL14 START | 126.862 |
| HIERARCH ESO ISS PBL14 END | 126.949 |
| HIERARCH ESO ISS PBLA14 START | 45.605 |
| HIERARCH ESO ISS PBLA14 END | 46.235 |
| HIERARCH ESO ISS PBL23 START | 58.177 |
| HIERARCH ESO ISS PBL23 END | 58.167 |
| HIERARCH ESO ISS PBLA23 START | 33.2 |
| HIERARCH ESO ISS PBLA23 END | 33.7 |
| HIERARCH ESO ISS PBL24 START | 85.036 |
| HIERARCH ESO ISS PBL24 END | 84.997 |
| HIERARCH ESO ISS PBLA24 START | 9.45 |
| HIERARCH ESO ISS PBLA24 END | 9.89 |
| HIERARCH ESO ISS PBL34 START | 39.448 |
| HIERARCH ESO ISS PBL34 END | 39.542 |
| HIERARCH ESO ISS PBLA34 START | 333.09 |
| HIERARCH ESO ISS PBLA34 END | 333.41 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.021387 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.015024 |
| HIERARCH ESO ISS AMBI TEMP | 14.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |