Exposure
- ID
- GRAVI.2025-04-24T04:38:43.022_2
- Header ID
- GRAVI.2025-04-24T04:38:43.022
- Date updated
- 2025-04-24 04:45:46 UTC+0000
- Release date
- 2026-04-24 04:45:46 UTC+0000
- UTC Start
- 2025-04-24 04:38:43.022
- UTC End
- 2025-04-24 04:41:23.022
- MJD Start
- 60789.19355349
- MJD End
- 60789.19540534185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075765
- Ambient temperature (°C)
- 13.45
- Seeing (arcsec)
- 0.715
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 | 90.2040 | 90.1710 | 143.4000 | 144.1000 |
| A0-J2 | 121.9220 | 121.6600 | 125.0000 | 125.7000 |
| A0-K0 | 109.4560 | 108.9790 | 104.6840 | 105.3490 |
| G1-J2 | 46.1920 | 45.9280 | 86.9000 | 87.5000 |
| G1-K0 | 68.6760 | 68.3420 | 49.3990 | 49.7580 |
| J2-K0 | 42.6180 | 42.5930 | 8.1180 | 8.4830 |
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 | 60789.19355349 |
| 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 | 90.204 |
| HIERARCH ESO ISS PBL12 END | 90.171 |
| HIERARCH ESO ISS PBLA12 START | 143.4 |
| HIERARCH ESO ISS PBLA12 END | 144.1 |
| HIERARCH ESO ISS PBL13 START | 121.922 |
| HIERARCH ESO ISS PBL13 END | 121.66 |
| HIERARCH ESO ISS PBLA13 START | 125.0 |
| HIERARCH ESO ISS PBLA13 END | 125.7 |
| HIERARCH ESO ISS PBL14 START | 109.456 |
| HIERARCH ESO ISS PBL14 END | 108.979 |
| HIERARCH ESO ISS PBLA14 START | 104.684 |
| HIERARCH ESO ISS PBLA14 END | 105.349 |
| HIERARCH ESO ISS PBL23 START | 46.192 |
| HIERARCH ESO ISS PBL23 END | 45.928 |
| HIERARCH ESO ISS PBLA23 START | 86.9 |
| HIERARCH ESO ISS PBLA23 END | 87.5 |
| HIERARCH ESO ISS PBL24 START | 68.676 |
| HIERARCH ESO ISS PBL24 END | 68.342 |
| HIERARCH ESO ISS PBLA24 START | 49.399 |
| HIERARCH ESO ISS PBLA24 END | 49.758 |
| HIERARCH ESO ISS PBL34 START | 42.618 |
| HIERARCH ESO ISS PBL34 END | 42.593 |
| HIERARCH ESO ISS PBLA34 START | 8.118 |
| HIERARCH ESO ISS PBLA34 END | 8.483 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008307 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006846 |
| HIERARCH ESO ISS AMBI TEMP | 13.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |