Exposure
- ID
- GRAVI.2025-04-24T04:50:04.051_2
- Header ID
- GRAVI.2025-04-24T04:50:04.051
- Date updated
- 2025-04-24 05:00:45 UTC+0000
- Release date
- 2026-04-24 05:00:45 UTC+0000
- UTC Start
- 2025-04-24 04:50:04.051
- UTC End
- 2025-04-24 04:52:44.051
- MJD Start
- 60789.20143577
- MJD End
- 60789.20328762186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0073075
- Ambient temperature (°C)
- 13.45
- Seeing (arcsec)
- 0.5349999999999999
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 | 90.0690 | 90.0310 | 145.9000 | 146.5000 |
| A0-J2 | 120.8950 | 120.6240 | 127.7000 | 128.4000 |
| A0-K0 | 107.5780 | 107.0830 | 107.2800 | 107.9620 |
| G1-J2 | 45.1520 | 44.8770 | 89.2000 | 89.8000 |
| G1-K0 | 67.3570 | 67.0060 | 50.7810 | 51.1370 |
| J2-K0 | 42.5140 | 42.4840 | 9.5260 | 9.8900 |
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 | 60789.20143577 |
| 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 | 90.069 |
| HIERARCH ESO ISS PBL12 END | 90.031 |
| HIERARCH ESO ISS PBLA12 START | 145.9 |
| HIERARCH ESO ISS PBLA12 END | 146.5 |
| HIERARCH ESO ISS PBL13 START | 120.895 |
| HIERARCH ESO ISS PBL13 END | 120.624 |
| HIERARCH ESO ISS PBLA13 START | 127.7 |
| HIERARCH ESO ISS PBLA13 END | 128.4 |
| HIERARCH ESO ISS PBL14 START | 107.578 |
| HIERARCH ESO ISS PBL14 END | 107.083 |
| HIERARCH ESO ISS PBLA14 START | 107.28 |
| HIERARCH ESO ISS PBLA14 END | 107.962 |
| HIERARCH ESO ISS PBL23 START | 45.152 |
| HIERARCH ESO ISS PBL23 END | 44.877 |
| HIERARCH ESO ISS PBLA23 START | 89.2 |
| HIERARCH ESO ISS PBLA23 END | 89.8 |
| HIERARCH ESO ISS PBL24 START | 67.357 |
| HIERARCH ESO ISS PBL24 END | 67.006 |
| HIERARCH ESO ISS PBLA24 START | 50.781 |
| HIERARCH ESO ISS PBLA24 END | 51.137 |
| HIERARCH ESO ISS PBL34 START | 42.514 |
| HIERARCH ESO ISS PBL34 END | 42.484 |
| HIERARCH ESO ISS PBLA34 START | 9.526 |
| HIERARCH ESO ISS PBLA34 END | 9.89 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006446 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008169 |
| HIERARCH ESO ISS AMBI TEMP | 13.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |