Exposure
- ID
- GRAVI.2025-04-24T04:37:31.018_2
- Header ID
- GRAVI.2025-04-24T04:37:31.018
- Date updated
- 2025-04-24 04:45:46 UTC+0000
- Release date
- 2026-04-24 04:45:46 UTC+0000
- UTC Start
- 2025-04-24 04:37:31.018
- UTC End
- 2025-04-24 04:37:50.218
- MJD Start
- 60789.19272012
- MJD End
- 60789.192942342226
- Exposure time (s)
- 19.2
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007732
- Ambient temperature (°C)
- 13.46
- Seeing (arcsec)
- 0.715
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 | 90.2180 | 90.2100 | 143.2000 | 143.3000 |
| A0-J2 | 122.0270 | 121.9690 | 124.7000 | 124.9000 |
| A0-K0 | 109.6490 | 109.5430 | 104.4190 | 104.5640 |
| G1-J2 | 46.2980 | 46.2400 | 86.7000 | 86.8000 |
| G1-K0 | 68.8100 | 68.7360 | 49.2560 | 49.3330 |
| J2-K0 | 42.6280 | 42.6230 | 7.9730 | 8.0510 |
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 | 60789.19272012 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 100453 |
| HIERARCH ESO INS SOBJ NAME | HD_100453_B |
| RA | 173.269065 |
| 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 | 90.218 |
| HIERARCH ESO ISS PBL12 END | 90.21 |
| HIERARCH ESO ISS PBLA12 START | 143.2 |
| HIERARCH ESO ISS PBLA12 END | 143.3 |
| HIERARCH ESO ISS PBL13 START | 122.027 |
| HIERARCH ESO ISS PBL13 END | 121.969 |
| HIERARCH ESO ISS PBLA13 START | 124.7 |
| HIERARCH ESO ISS PBLA13 END | 124.9 |
| HIERARCH ESO ISS PBL14 START | 109.649 |
| HIERARCH ESO ISS PBL14 END | 109.543 |
| HIERARCH ESO ISS PBLA14 START | 104.419 |
| HIERARCH ESO ISS PBLA14 END | 104.564 |
| HIERARCH ESO ISS PBL23 START | 46.298 |
| HIERARCH ESO ISS PBL23 END | 46.24 |
| HIERARCH ESO ISS PBLA23 START | 86.7 |
| HIERARCH ESO ISS PBLA23 END | 86.8 |
| HIERARCH ESO ISS PBL24 START | 68.81 |
| HIERARCH ESO ISS PBL24 END | 68.736 |
| HIERARCH ESO ISS PBLA24 START | 49.256 |
| HIERARCH ESO ISS PBLA24 END | 49.333 |
| HIERARCH ESO ISS PBL34 START | 42.628 |
| HIERARCH ESO ISS PBL34 END | 42.623 |
| HIERARCH ESO ISS PBLA34 START | 7.973 |
| HIERARCH ESO ISS PBLA34 END | 8.051 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007157 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008307 |
| HIERARCH ESO ISS AMBI TEMP | 13.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |