Exposure
- ID
- GRAVI.2025-04-24T23:58:29.353_1
- Header ID
- GRAVI.2025-04-24T23:58:29.353
- 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 23:58:29.353
- UTC End
- 2025-04-25 00:01:09.353
- MJD Start
- 60789.99895084
- MJD End
- 60790.00080269186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0193995
- Ambient temperature (°C)
- 14.11
- Seeing (arcsec)
- 0.69
Observation
- ID
- 66972
- 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
- 49789
- Name
- HD_100453_B
- RA
- 173.269064
- DEC
- -54.32463
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 78.2230 | 78.5560 | 88.8000 | 89.4000 |
| A0-J2 | 122.1830 | 122.4650 | 66.3000 | 67.0000 |
| A0-K0 | 127.1960 | 127.2720 | 48.1130 | 48.7350 |
| G1-J2 | 58.1290 | 58.1130 | 35.4000 | 36.0000 |
| G1-K0 | 84.8710 | 84.8250 | 11.2060 | 11.6440 |
| J2-K0 | 39.8160 | 39.9050 | 334.3770 | 334.7010 |
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 | 60789.99895084 |
| 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 | 78.223 |
| HIERARCH ESO ISS PBL12 END | 78.556 |
| HIERARCH ESO ISS PBLA12 START | 88.8 |
| HIERARCH ESO ISS PBLA12 END | 89.4 |
| HIERARCH ESO ISS PBL13 START | 122.183 |
| HIERARCH ESO ISS PBL13 END | 122.465 |
| HIERARCH ESO ISS PBLA13 START | 66.3 |
| HIERARCH ESO ISS PBLA13 END | 67.0 |
| HIERARCH ESO ISS PBL14 START | 127.196 |
| HIERARCH ESO ISS PBL14 END | 127.272 |
| HIERARCH ESO ISS PBLA14 START | 48.113 |
| HIERARCH ESO ISS PBLA14 END | 48.735 |
| HIERARCH ESO ISS PBL23 START | 58.129 |
| HIERARCH ESO ISS PBL23 END | 58.113 |
| HIERARCH ESO ISS PBLA23 START | 35.4 |
| HIERARCH ESO ISS PBLA23 END | 36.0 |
| HIERARCH ESO ISS PBL24 START | 84.871 |
| HIERARCH ESO ISS PBL24 END | 84.825 |
| HIERARCH ESO ISS PBLA24 START | 11.206 |
| HIERARCH ESO ISS PBLA24 END | 11.644 |
| HIERARCH ESO ISS PBL34 START | 39.816 |
| HIERARCH ESO ISS PBL34 END | 39.905 |
| HIERARCH ESO ISS PBLA34 START | 334.377 |
| HIERARCH ESO ISS PBLA34 END | 334.701 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.020088 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.018711 |
| HIERARCH ESO ISS AMBI TEMP | 14.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |