Exposure
- ID
- GRAVI.2025-04-24T23:35:44.295_2
- Header ID
- GRAVI.2025-04-24T23:35:44.295
- Date updated
- 2025-04-24 23:45:47 UTC+0000
- Release date
- 2026-04-24 23:45:47 UTC+0000
- UTC Start
- 2025-04-24 23:35:44.295
- UTC End
- 2025-04-24 23:38:24.295
- MJD Start
- 60789.98315156
- MJD End
- 60789.98500341186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.023335
- Ambient temperature (°C)
- 14.37
- Seeing (arcsec)
- 0.605
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 | 75.4670 | 75.8310 | 84.0000 | 84.6000 |
| A0-J2 | 119.8360 | 120.1470 | 61.2000 | 61.8000 |
| A0-K0 | 126.5020 | 126.5990 | 43.1680 | 43.8060 |
| G1-J2 | 58.2080 | 58.2010 | 30.9000 | 31.5000 |
| G1-K0 | 85.1660 | 85.1350 | 7.7590 | 8.2000 |
| J2-K0 | 39.0720 | 39.1720 | 331.8720 | 332.1880 |
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 | 60789.98315156 |
| 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 | 75.467 |
| HIERARCH ESO ISS PBL12 END | 75.831 |
| HIERARCH ESO ISS PBLA12 START | 84.0 |
| HIERARCH ESO ISS PBLA12 END | 84.6 |
| HIERARCH ESO ISS PBL13 START | 119.836 |
| HIERARCH ESO ISS PBL13 END | 120.147 |
| HIERARCH ESO ISS PBLA13 START | 61.2 |
| HIERARCH ESO ISS PBLA13 END | 61.8 |
| HIERARCH ESO ISS PBL14 START | 126.502 |
| HIERARCH ESO ISS PBL14 END | 126.599 |
| HIERARCH ESO ISS PBLA14 START | 43.168 |
| HIERARCH ESO ISS PBLA14 END | 43.806 |
| HIERARCH ESO ISS PBL23 START | 58.208 |
| HIERARCH ESO ISS PBL23 END | 58.201 |
| HIERARCH ESO ISS PBLA23 START | 30.9 |
| HIERARCH ESO ISS PBLA23 END | 31.5 |
| HIERARCH ESO ISS PBL24 START | 85.166 |
| HIERARCH ESO ISS PBL24 END | 85.135 |
| HIERARCH ESO ISS PBLA24 START | 7.759 |
| HIERARCH ESO ISS PBLA24 END | 8.2 |
| HIERARCH ESO ISS PBL34 START | 39.072 |
| HIERARCH ESO ISS PBL34 END | 39.172 |
| HIERARCH ESO ISS PBLA34 START | 331.872 |
| HIERARCH ESO ISS PBLA34 END | 332.188 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.02632 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.02035 |
| HIERARCH ESO ISS AMBI TEMP | 14.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |