Exposure
- ID
- GRAVI.2025-04-24T05:00:10.077_2
- Header ID
- GRAVI.2025-04-24T05:00:10.077
- Date updated
- 2025-04-24 05:05:40 UTC+0000
- Release date
- 2026-04-24 05:05:40 UTC+0000
- UTC Start
- 2025-04-24 05:00:10.077
- UTC End
- 2025-04-24 05:00:29.277
- MJD Start
- 60789.20844996
- MJD End
- 60789.20867218223
- Exposure time (s)
- 19.2
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007931500000000001
- Ambient temperature (°C)
- 13.31
- Seeing (arcsec)
- 0.535
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 | 89.9350 | 89.9260 | 148.1000 | 148.2000 |
| A0-J2 | 119.9580 | 119.8970 | 130.1000 | 130.2000 |
| A0-K0 | 105.8580 | 105.7470 | 109.6480 | 109.8040 |
| G1-J2 | 44.1940 | 44.1310 | 91.2000 | 91.4000 |
| G1-K0 | 66.1310 | 66.0510 | 52.0010 | 52.0810 |
| J2-K0 | 42.4060 | 42.3990 | 10.7760 | 10.8580 |
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 | 60789.20844996 |
| 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 | 89.935 |
| HIERARCH ESO ISS PBL12 END | 89.926 |
| HIERARCH ESO ISS PBLA12 START | 148.1 |
| HIERARCH ESO ISS PBLA12 END | 148.2 |
| HIERARCH ESO ISS PBL13 START | 119.958 |
| HIERARCH ESO ISS PBL13 END | 119.897 |
| HIERARCH ESO ISS PBLA13 START | 130.1 |
| HIERARCH ESO ISS PBLA13 END | 130.2 |
| HIERARCH ESO ISS PBL14 START | 105.858 |
| HIERARCH ESO ISS PBL14 END | 105.747 |
| HIERARCH ESO ISS PBLA14 START | 109.648 |
| HIERARCH ESO ISS PBLA14 END | 109.804 |
| HIERARCH ESO ISS PBL23 START | 44.194 |
| HIERARCH ESO ISS PBL23 END | 44.131 |
| HIERARCH ESO ISS PBLA23 START | 91.2 |
| HIERARCH ESO ISS PBLA23 END | 91.4 |
| HIERARCH ESO ISS PBL24 START | 66.131 |
| HIERARCH ESO ISS PBL24 END | 66.051 |
| HIERARCH ESO ISS PBLA24 START | 52.001 |
| HIERARCH ESO ISS PBLA24 END | 52.081 |
| HIERARCH ESO ISS PBL34 START | 42.406 |
| HIERARCH ESO ISS PBL34 END | 42.399 |
| HIERARCH ESO ISS PBLA34 START | 10.776 |
| HIERARCH ESO ISS PBLA34 END | 10.858 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00774 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008123 |
| HIERARCH ESO ISS AMBI TEMP | 13.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |