Exposure
- ID
- GRAVI.2025-04-25T00:10:38.384_2
- Header ID
- GRAVI.2025-04-25T00:10:38.384
- Date updated
- 2025-04-25 00:20:51 UTC+0000
- Release date
- 2026-04-25 00:20:51 UTC+0000
- UTC Start
- 2025-04-25 00:10:38.384
- UTC End
- 2025-04-25 00:13:18.384
- MJD Start
- 60790.0073887
- MJD End
- 60790.00924055186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.020592
- Ambient temperature (°C)
- 13.68
- Seeing (arcsec)
- 0.6000000000000001
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 | 79.5930 | 79.9090 | 91.3000 | 91.8000 |
| A0-J2 | 123.3380 | 123.6010 | 69.0000 | 69.7000 |
| A0-K0 | 127.4930 | 127.5550 | 50.7090 | 51.3230 |
| G1-J2 | 58.0560 | 58.0350 | 37.8000 | 38.4000 |
| G1-K0 | 84.6650 | 84.6110 | 13.0410 | 13.4770 |
| J2-K0 | 40.1780 | 40.2600 | 335.7450 | 336.0740 |
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 | 60790.0073887 |
| 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 | 79.593 |
| HIERARCH ESO ISS PBL12 END | 79.909 |
| HIERARCH ESO ISS PBLA12 START | 91.3 |
| HIERARCH ESO ISS PBLA12 END | 91.8 |
| HIERARCH ESO ISS PBL13 START | 123.338 |
| HIERARCH ESO ISS PBL13 END | 123.601 |
| HIERARCH ESO ISS PBLA13 START | 69.0 |
| HIERARCH ESO ISS PBLA13 END | 69.7 |
| HIERARCH ESO ISS PBL14 START | 127.493 |
| HIERARCH ESO ISS PBL14 END | 127.555 |
| HIERARCH ESO ISS PBLA14 START | 50.709 |
| HIERARCH ESO ISS PBLA14 END | 51.323 |
| HIERARCH ESO ISS PBL23 START | 58.056 |
| HIERARCH ESO ISS PBL23 END | 58.035 |
| HIERARCH ESO ISS PBLA23 START | 37.8 |
| HIERARCH ESO ISS PBLA23 END | 38.4 |
| HIERARCH ESO ISS PBL24 START | 84.665 |
| HIERARCH ESO ISS PBL24 END | 84.611 |
| HIERARCH ESO ISS PBLA24 START | 13.041 |
| HIERARCH ESO ISS PBLA24 END | 13.477 |
| HIERARCH ESO ISS PBL34 START | 40.178 |
| HIERARCH ESO ISS PBL34 END | 40.26 |
| HIERARCH ESO ISS PBLA34 START | 335.745 |
| HIERARCH ESO ISS PBLA34 END | 336.074 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.022362 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.018822 |
| HIERARCH ESO ISS AMBI TEMP | 13.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| 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 |