Exposure
- ID
- GRAVI.2025-04-24T04:25:54.989_2
- Header ID
- GRAVI.2025-04-24T04:25:54.989
- 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 04:25:54.989
- UTC End
- 2025-04-24 04:26:14.189
- MJD Start
- 60789.18466422
- MJD End
- 60789.18488644223
- Exposure time (s)
- 19.2
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006947999999999999
- Ambient temperature (°C)
- 13.49
- Seeing (arcsec)
- 0.665
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 | 90.3350 | 90.3290 | 140.7000 | 140.9000 |
| A0-J2 | 123.0400 | 122.9840 | 122.0000 | 122.2000 |
| A0-K0 | 111.5040 | 111.3990 | 101.8230 | 101.9700 |
| G1-J2 | 47.3190 | 47.2620 | 84.4000 | 84.5000 |
| G1-K0 | 70.0950 | 70.0230 | 47.8200 | 47.9030 |
| J2-K0 | 42.7150 | 42.7110 | 6.5210 | 6.6040 |
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 | 60789.18466422 |
| 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 | 41.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 90.335 |
| HIERARCH ESO ISS PBL12 END | 90.329 |
| HIERARCH ESO ISS PBLA12 START | 140.7 |
| HIERARCH ESO ISS PBLA12 END | 140.9 |
| HIERARCH ESO ISS PBL13 START | 123.04 |
| HIERARCH ESO ISS PBL13 END | 122.984 |
| HIERARCH ESO ISS PBLA13 START | 122.0 |
| HIERARCH ESO ISS PBLA13 END | 122.2 |
| HIERARCH ESO ISS PBL14 START | 111.504 |
| HIERARCH ESO ISS PBL14 END | 111.399 |
| HIERARCH ESO ISS PBLA14 START | 101.823 |
| HIERARCH ESO ISS PBLA14 END | 101.97 |
| HIERARCH ESO ISS PBL23 START | 47.319 |
| HIERARCH ESO ISS PBL23 END | 47.262 |
| HIERARCH ESO ISS PBLA23 START | 84.4 |
| HIERARCH ESO ISS PBLA23 END | 84.5 |
| HIERARCH ESO ISS PBL24 START | 70.095 |
| HIERARCH ESO ISS PBL24 END | 70.023 |
| HIERARCH ESO ISS PBLA24 START | 47.82 |
| HIERARCH ESO ISS PBLA24 END | 47.903 |
| HIERARCH ESO ISS PBL34 START | 42.715 |
| HIERARCH ESO ISS PBL34 END | 42.711 |
| HIERARCH ESO ISS PBLA34 START | 6.521 |
| HIERARCH ESO ISS PBLA34 END | 6.604 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006722 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007174 |
| HIERARCH ESO ISS AMBI TEMP | 13.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |