Exposure
- ID
- GRAVI.2025-04-24T04:27:24.993_2
- Header ID
- GRAVI.2025-04-24T04:27:24.993
- Date updated
- 2025-04-24 04:35:38 UTC+0000
- Release date
- 2026-04-24 04:35:38 UTC+0000
- UTC Start
- 2025-04-24 04:27:24.993
- UTC End
- 2025-04-24 04:30:04.993
- MJD Start
- 60789.18570594
- MJD End
- 60789.187557791854
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007529
- Ambient temperature (°C)
- 13.48
- Seeing (arcsec)
- 0.625
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 | 90.3210 | 90.2930 | 141.0000 | 141.6000 |
| A0-J2 | 122.9110 | 122.6590 | 122.4000 | 123.1000 |
| A0-K0 | 111.2660 | 110.8050 | 102.1560 | 102.8060 |
| G1-J2 | 47.1880 | 46.9350 | 84.7000 | 85.2000 |
| G1-K0 | 69.9310 | 69.6130 | 48.0060 | 48.3690 |
| J2-K0 | 42.7050 | 42.6840 | 6.7080 | 7.0750 |
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 | 60789.18570594 |
| 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 | 176.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 90.321 |
| HIERARCH ESO ISS PBL12 END | 90.293 |
| HIERARCH ESO ISS PBLA12 START | 141.0 |
| HIERARCH ESO ISS PBLA12 END | 141.6 |
| HIERARCH ESO ISS PBL13 START | 122.911 |
| HIERARCH ESO ISS PBL13 END | 122.659 |
| HIERARCH ESO ISS PBLA13 START | 122.4 |
| HIERARCH ESO ISS PBLA13 END | 123.1 |
| HIERARCH ESO ISS PBL14 START | 111.266 |
| HIERARCH ESO ISS PBL14 END | 110.805 |
| HIERARCH ESO ISS PBLA14 START | 102.156 |
| HIERARCH ESO ISS PBLA14 END | 102.806 |
| HIERARCH ESO ISS PBL23 START | 47.188 |
| HIERARCH ESO ISS PBL23 END | 46.935 |
| HIERARCH ESO ISS PBLA23 START | 84.7 |
| HIERARCH ESO ISS PBLA23 END | 85.2 |
| HIERARCH ESO ISS PBL24 START | 69.931 |
| HIERARCH ESO ISS PBL24 END | 69.613 |
| HIERARCH ESO ISS PBLA24 START | 48.006 |
| HIERARCH ESO ISS PBLA24 END | 48.369 |
| HIERARCH ESO ISS PBL34 START | 42.705 |
| HIERARCH ESO ISS PBL34 END | 42.684 |
| HIERARCH ESO ISS PBLA34 START | 6.708 |
| HIERARCH ESO ISS PBLA34 END | 7.075 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007451 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007607 |
| HIERARCH ESO ISS AMBI TEMP | 13.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |