Exposure
- ID
- GRAVI.2025-04-25T00:05:35.371_2
- Header ID
- GRAVI.2025-04-25T00:05:35.371
- Date updated
- 2025-04-25 00:15:48 UTC+0000
- Release date
- 2026-04-25 00:15:48 UTC+0000
- UTC Start
- 2025-04-25 00:05:35.371
- UTC End
- 2025-04-25 00:08:15.371
- MJD Start
- 60790.00388161
- MJD End
- 60790.005733461854
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0190175
- Ambient temperature (°C)
- 13.72
- Seeing (arcsec)
- 0.63
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 | 79.0360 | 79.3570 | 90.2000 | 90.8000 |
| A0-J2 | 122.8690 | 123.1390 | 67.9000 | 68.6000 |
| A0-K0 | 127.3780 | 127.4450 | 49.6390 | 50.2550 |
| G1-J2 | 58.0890 | 58.0700 | 36.8000 | 37.4000 |
| G1-K0 | 84.7550 | 84.7040 | 12.2830 | 12.7200 |
| J2-K0 | 40.0310 | 40.1160 | 335.1770 | 335.5050 |
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 | 60790.00388161 |
| 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 | 79.036 |
| HIERARCH ESO ISS PBL12 END | 79.357 |
| HIERARCH ESO ISS PBLA12 START | 90.2 |
| HIERARCH ESO ISS PBLA12 END | 90.8 |
| HIERARCH ESO ISS PBL13 START | 122.869 |
| HIERARCH ESO ISS PBL13 END | 123.139 |
| HIERARCH ESO ISS PBLA13 START | 67.9 |
| HIERARCH ESO ISS PBLA13 END | 68.6 |
| HIERARCH ESO ISS PBL14 START | 127.378 |
| HIERARCH ESO ISS PBL14 END | 127.445 |
| HIERARCH ESO ISS PBLA14 START | 49.639 |
| HIERARCH ESO ISS PBLA14 END | 50.255 |
| HIERARCH ESO ISS PBL23 START | 58.089 |
| HIERARCH ESO ISS PBL23 END | 58.07 |
| HIERARCH ESO ISS PBLA23 START | 36.8 |
| HIERARCH ESO ISS PBLA23 END | 37.4 |
| HIERARCH ESO ISS PBL24 START | 84.755 |
| HIERARCH ESO ISS PBL24 END | 84.704 |
| HIERARCH ESO ISS PBLA24 START | 12.283 |
| HIERARCH ESO ISS PBLA24 END | 12.72 |
| HIERARCH ESO ISS PBL34 START | 40.031 |
| HIERARCH ESO ISS PBL34 END | 40.116 |
| HIERARCH ESO ISS PBLA34 START | 335.177 |
| HIERARCH ESO ISS PBLA34 END | 335.505 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.01602 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.022015 |
| HIERARCH ESO ISS AMBI TEMP | 13.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | HD_100453 |
| HIERARCH ESO FT ROBJ ALPHA | 113305.576 |
| HIERARCH ESO FT ROBJ DELTA | -541928.547 |