Exposure
- ID
- GRAVI.2025-04-24T23:57:08.349_2
- Header ID
- GRAVI.2025-04-24T23:57:08.349
- Date updated
- 2025-04-25 00:05:40 UTC+0000
- Release date
- 2026-04-25 00:05:40 UTC+0000
- UTC Start
- 2025-04-24 23:57:08.349
- UTC End
- 2025-04-24 23:57:27.549
- MJD Start
- 60789.9980133
- MJD End
- 60789.998235522224
- Exposure time (s)
- 19.2
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.020088
- Ambient temperature (°C)
- 14.09
- Seeing (arcsec)
- 0.54
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 | 78.0700 | 78.1460 | 88.5000 | 88.6000 |
| A0-J2 | 122.0530 | 122.1170 | 66.1000 | 66.2000 |
| A0-K0 | 127.1600 | 127.1780 | 47.8330 | 47.9700 |
| G1-J2 | 58.1350 | 58.1320 | 35.2000 | 35.3000 |
| G1-K0 | 84.8910 | 84.8810 | 11.0100 | 11.1060 |
| J2-K0 | 39.7760 | 39.7960 | 334.2320 | 334.3020 |
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 | 60789.9980133 |
| 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 | 41.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 78.07 |
| HIERARCH ESO ISS PBL12 END | 78.146 |
| HIERARCH ESO ISS PBLA12 START | 88.5 |
| HIERARCH ESO ISS PBLA12 END | 88.6 |
| HIERARCH ESO ISS PBL13 START | 122.053 |
| HIERARCH ESO ISS PBL13 END | 122.117 |
| HIERARCH ESO ISS PBLA13 START | 66.1 |
| HIERARCH ESO ISS PBLA13 END | 66.2 |
| HIERARCH ESO ISS PBL14 START | 127.16 |
| HIERARCH ESO ISS PBL14 END | 127.178 |
| HIERARCH ESO ISS PBLA14 START | 47.833 |
| HIERARCH ESO ISS PBLA14 END | 47.97 |
| HIERARCH ESO ISS PBL23 START | 58.135 |
| HIERARCH ESO ISS PBL23 END | 58.132 |
| HIERARCH ESO ISS PBLA23 START | 35.2 |
| HIERARCH ESO ISS PBLA23 END | 35.3 |
| HIERARCH ESO ISS PBL24 START | 84.891 |
| HIERARCH ESO ISS PBL24 END | 84.881 |
| HIERARCH ESO ISS PBLA24 START | 11.01 |
| HIERARCH ESO ISS PBLA24 END | 11.106 |
| HIERARCH ESO ISS PBL34 START | 39.776 |
| HIERARCH ESO ISS PBL34 END | 39.796 |
| HIERARCH ESO ISS PBLA34 START | 334.232 |
| HIERARCH ESO ISS PBLA34 END | 334.302 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.020088 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.020088 |
| HIERARCH ESO ISS AMBI TEMP | 14.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |