Exposure
- ID
- GRAVI.2025-04-24T05:07:55.096_2
- Header ID
- GRAVI.2025-04-24T05:07:55.096
- Date updated
- 2025-04-24 05:15:42 UTC+0000
- Release date
- 2026-04-24 05:15:42 UTC+0000
- UTC Start
- 2025-04-24 05:07:55.096
- UTC End
- 2025-04-24 05:10:35.096
- MJD Start
- 60789.21383213
- MJD End
- 60789.215683981856
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007605000000000001
- Ambient temperature (°C)
- 13.29
- Seeing (arcsec)
- 0.515
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 | 89.8270 | 89.7850 | 149.8000 | 150.4000 |
| A0-J2 | 119.2270 | 118.9530 | 132.0000 | 132.7000 |
| A0-K0 | 104.5080 | 103.9980 | 111.5130 | 112.2180 |
| G1-J2 | 43.4350 | 43.1470 | 92.8000 | 93.5000 |
| G1-K0 | 65.1540 | 64.7810 | 52.9360 | 53.2810 |
| J2-K0 | 42.3140 | 42.2770 | 11.7370 | 12.0940 |
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 | 60789.21383213 |
| 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 | 89.827 |
| HIERARCH ESO ISS PBL12 END | 89.785 |
| HIERARCH ESO ISS PBLA12 START | 149.8 |
| HIERARCH ESO ISS PBLA12 END | 150.4 |
| HIERARCH ESO ISS PBL13 START | 119.227 |
| HIERARCH ESO ISS PBL13 END | 118.953 |
| HIERARCH ESO ISS PBLA13 START | 132.0 |
| HIERARCH ESO ISS PBLA13 END | 132.7 |
| HIERARCH ESO ISS PBL14 START | 104.508 |
| HIERARCH ESO ISS PBL14 END | 103.998 |
| HIERARCH ESO ISS PBLA14 START | 111.513 |
| HIERARCH ESO ISS PBLA14 END | 112.218 |
| HIERARCH ESO ISS PBL23 START | 43.435 |
| HIERARCH ESO ISS PBL23 END | 43.147 |
| HIERARCH ESO ISS PBLA23 START | 92.8 |
| HIERARCH ESO ISS PBLA23 END | 93.5 |
| HIERARCH ESO ISS PBL24 START | 65.154 |
| HIERARCH ESO ISS PBL24 END | 64.781 |
| HIERARCH ESO ISS PBLA24 START | 52.936 |
| HIERARCH ESO ISS PBLA24 END | 53.281 |
| HIERARCH ESO ISS PBL34 START | 42.314 |
| HIERARCH ESO ISS PBL34 END | 42.277 |
| HIERARCH ESO ISS PBLA34 START | 11.737 |
| HIERARCH ESO ISS PBLA34 END | 12.094 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007516 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007694 |
| HIERARCH ESO ISS AMBI TEMP | 13.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |