Exposure
- ID
- GRAVI.2025-04-24T23:53:35.340_2
- Header ID
- GRAVI.2025-04-24T23:53:35.340
- 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 23:53:35.340
- UTC End
- 2025-04-24 23:56:15.340
- MJD Start
- 60789.99554792
- MJD End
- 60789.997399771855
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.018192
- Ambient temperature (°C)
- 14.04
- 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 | 77.6500 | 77.9890 | 87.8000 | 88.4000 |
| A0-J2 | 121.6960 | 121.9840 | 65.2000 | 65.9000 |
| A0-K0 | 127.0600 | 127.1410 | 47.0580 | 47.6820 |
| G1-J2 | 58.1520 | 58.1380 | 34.5000 | 35.1000 |
| G1-K0 | 84.9440 | 84.9020 | 10.4650 | 10.9040 |
| J2-K0 | 39.6640 | 39.7540 | 333.8310 | 334.1540 |
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 | 60789.99554792 |
| 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 | 176.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 77.65 |
| HIERARCH ESO ISS PBL12 END | 77.989 |
| HIERARCH ESO ISS PBLA12 START | 87.8 |
| HIERARCH ESO ISS PBLA12 END | 88.4 |
| HIERARCH ESO ISS PBL13 START | 121.696 |
| HIERARCH ESO ISS PBL13 END | 121.984 |
| HIERARCH ESO ISS PBLA13 START | 65.2 |
| HIERARCH ESO ISS PBLA13 END | 65.9 |
| HIERARCH ESO ISS PBL14 START | 127.06 |
| HIERARCH ESO ISS PBL14 END | 127.141 |
| HIERARCH ESO ISS PBLA14 START | 47.058 |
| HIERARCH ESO ISS PBLA14 END | 47.682 |
| HIERARCH ESO ISS PBL23 START | 58.152 |
| HIERARCH ESO ISS PBL23 END | 58.138 |
| HIERARCH ESO ISS PBLA23 START | 34.5 |
| HIERARCH ESO ISS PBLA23 END | 35.1 |
| HIERARCH ESO ISS PBL24 START | 84.944 |
| HIERARCH ESO ISS PBL24 END | 84.902 |
| HIERARCH ESO ISS PBLA24 START | 10.465 |
| HIERARCH ESO ISS PBLA24 END | 10.904 |
| HIERARCH ESO ISS PBL34 START | 39.664 |
| HIERARCH ESO ISS PBL34 END | 39.754 |
| HIERARCH ESO ISS PBLA34 START | 333.831 |
| HIERARCH ESO ISS PBLA34 END | 334.154 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.016125 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.020259 |
| HIERARCH ESO ISS AMBI TEMP | 14.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |