Exposure
- ID
- GRAVI.2025-04-24T05:01:25.080_2
- Header ID
- GRAVI.2025-04-24T05:01:25.080
- Date updated
- 2025-04-24 05:10:54 UTC+0000
- Release date
- 2026-04-24 05:10:54 UTC+0000
- UTC Start
- 2025-04-24 05:01:25.080
- UTC End
- 2025-04-24 05:04:05.080
- MJD Start
- 60789.20931805
- MJD End
- 60789.21116990186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0081915
- Ambient temperature (°C)
- 13.28
- Seeing (arcsec)
- 0.53
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 | 89.9180 | 89.8770 | 148.3000 | 149.0000 |
| A0-J2 | 119.8380 | 119.5650 | 130.4000 | 131.1000 |
| A0-K0 | 105.6370 | 105.1320 | 109.9550 | 110.6490 |
| G1-J2 | 44.0700 | 43.7870 | 91.5000 | 92.1000 |
| G1-K0 | 65.9720 | 65.6070 | 52.1580 | 52.5050 |
| J2-K0 | 42.3920 | 42.3580 | 10.9370 | 11.2940 |
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 | 60789.20931805 |
| 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 | 89.918 |
| HIERARCH ESO ISS PBL12 END | 89.877 |
| HIERARCH ESO ISS PBLA12 START | 148.3 |
| HIERARCH ESO ISS PBLA12 END | 149.0 |
| HIERARCH ESO ISS PBL13 START | 119.838 |
| HIERARCH ESO ISS PBL13 END | 119.565 |
| HIERARCH ESO ISS PBLA13 START | 130.4 |
| HIERARCH ESO ISS PBLA13 END | 131.1 |
| HIERARCH ESO ISS PBL14 START | 105.637 |
| HIERARCH ESO ISS PBL14 END | 105.132 |
| HIERARCH ESO ISS PBLA14 START | 109.955 |
| HIERARCH ESO ISS PBLA14 END | 110.649 |
| HIERARCH ESO ISS PBL23 START | 44.07 |
| HIERARCH ESO ISS PBL23 END | 43.787 |
| HIERARCH ESO ISS PBLA23 START | 91.5 |
| HIERARCH ESO ISS PBLA23 END | 92.1 |
| HIERARCH ESO ISS PBL24 START | 65.972 |
| HIERARCH ESO ISS PBL24 END | 65.607 |
| HIERARCH ESO ISS PBLA24 START | 52.158 |
| HIERARCH ESO ISS PBLA24 END | 52.505 |
| HIERARCH ESO ISS PBL34 START | 42.392 |
| HIERARCH ESO ISS PBL34 END | 42.358 |
| HIERARCH ESO ISS PBLA34 START | 10.937 |
| HIERARCH ESO ISS PBLA34 END | 11.294 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008286 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008097 |
| HIERARCH ESO ISS AMBI TEMP | 13.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |