Exposure
- ID
- GRAVI.2025-10-02T08:58:19.499_2
- Header ID
- GRAVI.2025-10-02T08:58:19.499
- Date updated
- 2025-10-02 09:11:18 UTC+0000
- Release date
- 2025-10-02 08:58:19 UTC+0000
- UTC Start
- 2025-10-02 08:58:19.499
- UTC End
- 2025-10-02 09:00:19.499
- MJD Start
- 60950.37383679
- MJD End
- 60950.37522567889
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.015015
- Ambient temperature (°C)
- 11.95
- Seeing (arcsec)
- 0.65
Observation
- ID
- 70561
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52326
- Name
- HD42026
- RA
- 91.27800416666665
- DEC
- -56.23309583333334
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 | 84.0760 | 84.2530 | 100.1000 | 100.6000 |
| A0-J2 | 127.1710 | 127.2910 | 79.1000 | 79.6000 |
| A0-K0 | 127.9260 | 127.9060 | 60.7960 | 61.2500 |
| G1-J2 | 57.2750 | 57.2320 | 47.3000 | 47.8000 |
| G1-K0 | 82.4450 | 82.3740 | 20.5250 | 20.8530 |
| J2-K0 | 40.6130 | 40.6590 | 341.0130 | 341.2790 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60950.37383679 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD42026 |
| HIERARCH ESO INS SOBJ NAME | HD42026 |
| RA | 91.274011 |
| DEC | -56.23293 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 134.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 84.076 |
| HIERARCH ESO ISS PBL12 END | 84.253 |
| HIERARCH ESO ISS PBLA12 START | 100.1 |
| HIERARCH ESO ISS PBLA12 END | 100.6 |
| HIERARCH ESO ISS PBL13 START | 127.171 |
| HIERARCH ESO ISS PBL13 END | 127.291 |
| HIERARCH ESO ISS PBLA13 START | 79.1 |
| HIERARCH ESO ISS PBLA13 END | 79.6 |
| HIERARCH ESO ISS PBL14 START | 127.926 |
| HIERARCH ESO ISS PBL14 END | 127.906 |
| HIERARCH ESO ISS PBLA14 START | 60.796 |
| HIERARCH ESO ISS PBLA14 END | 61.25 |
| HIERARCH ESO ISS PBL23 START | 57.275 |
| HIERARCH ESO ISS PBL23 END | 57.232 |
| HIERARCH ESO ISS PBLA23 START | 47.3 |
| HIERARCH ESO ISS PBLA23 END | 47.8 |
| HIERARCH ESO ISS PBL24 START | 82.445 |
| HIERARCH ESO ISS PBL24 END | 82.374 |
| HIERARCH ESO ISS PBLA24 START | 20.525 |
| HIERARCH ESO ISS PBLA24 END | 20.853 |
| HIERARCH ESO ISS PBL34 START | 40.613 |
| HIERARCH ESO ISS PBL34 END | 40.659 |
| HIERARCH ESO ISS PBLA34 START | 341.013 |
| HIERARCH ESO ISS PBLA34 END | 341.279 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012912 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.017118 |
| HIERARCH ESO ISS AMBI TEMP | 11.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | HD42026 |
| HIERARCH ESO FT ROBJ ALPHA | 060506.721 |
| HIERARCH ESO FT ROBJ DELTA | -561359.145 |