Exposure
- ID
- GRAVI.2025-04-24T04:56:37.067_2
- Header ID
- GRAVI.2025-04-24T04:56:37.067
- 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 04:56:37.067
- UTC End
- 2025-04-24 04:59:17.067
- MJD Start
- 60789.20598457
- MJD End
- 60789.207836421854
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007212
- Ambient temperature (°C)
- 13.39
- Seeing (arcsec)
- 0.55
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 | 89.9830 | 89.9440 | 147.3000 | 147.9000 |
| A0-J2 | 120.2880 | 120.0160 | 129.2000 | 129.9000 |
| A0-K0 | 106.4650 | 105.9650 | 108.8130 | 109.5040 |
| G1-J2 | 44.5320 | 44.2530 | 90.5000 | 91.1000 |
| G1-K0 | 66.5650 | 66.2070 | 51.5760 | 51.9290 |
| J2-K0 | 42.4460 | 42.4130 | 10.3390 | 10.7020 |
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 | 60789.20598457 |
| 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 | 89.983 |
| HIERARCH ESO ISS PBL12 END | 89.944 |
| HIERARCH ESO ISS PBLA12 START | 147.3 |
| HIERARCH ESO ISS PBLA12 END | 147.9 |
| HIERARCH ESO ISS PBL13 START | 120.288 |
| HIERARCH ESO ISS PBL13 END | 120.016 |
| HIERARCH ESO ISS PBLA13 START | 129.2 |
| HIERARCH ESO ISS PBLA13 END | 129.9 |
| HIERARCH ESO ISS PBL14 START | 106.465 |
| HIERARCH ESO ISS PBL14 END | 105.965 |
| HIERARCH ESO ISS PBLA14 START | 108.813 |
| HIERARCH ESO ISS PBLA14 END | 109.504 |
| HIERARCH ESO ISS PBL23 START | 44.532 |
| HIERARCH ESO ISS PBL23 END | 44.253 |
| HIERARCH ESO ISS PBLA23 START | 90.5 |
| HIERARCH ESO ISS PBLA23 END | 91.1 |
| HIERARCH ESO ISS PBL24 START | 66.565 |
| HIERARCH ESO ISS PBL24 END | 66.207 |
| HIERARCH ESO ISS PBLA24 START | 51.576 |
| HIERARCH ESO ISS PBLA24 END | 51.929 |
| HIERARCH ESO ISS PBL34 START | 42.446 |
| HIERARCH ESO ISS PBL34 END | 42.413 |
| HIERARCH ESO ISS PBLA34 START | 10.339 |
| HIERARCH ESO ISS PBLA34 END | 10.702 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006684 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00774 |
| HIERARCH ESO ISS AMBI TEMP | 13.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |