Exposure
- ID
- GRAVI.2025-12-02T05:39:27.197_2
- Header ID
- GRAVI.2025-12-02T05:39:27.197
- Date updated
- 2025-12-02 05:51:09 UTC+0000
- Release date
- 2025-12-02 05:39:27 UTC+0000
- UTC Start
- 2025-12-02 05:39:27.197
- UTC End
- 2025-12-02 05:43:27.197
- MJD Start
- 61011.23573145
- MJD End
- 61011.23850922778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003806
- Ambient temperature (°C)
- 14.89
- Seeing (arcsec)
- 0.83
Observation
- ID
- 70534
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 52304
- Name
- hd25535b
- RA
- 60.514370833333324
- DEC
- -34.48216888888889
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 | 88.1880 | 87.9480 | 130.8000 | 131.6000 |
| A0-J2 | 121.6040 | 120.9530 | 107.7000 | 108.4000 |
| A0-K0 | 117.5350 | 116.7480 | 84.5460 | 85.1130 |
| G1-J2 | 53.3230 | 52.9860 | 67.1000 | 67.6000 |
| G1-K0 | 85.2660 | 84.9870 | 36.1490 | 36.4950 |
| J2-K0 | 48.1590 | 48.1560 | 1.3770 | 1.8530 |
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 | 61011.23573145 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd25535b |
| HIERARCH ESO INS SOBJ NAME | hd25535b |
| RA | 60.514483 |
| DEC | -34.48214 |
| 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 | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 88.188 |
| HIERARCH ESO ISS PBL12 END | 87.948 |
| HIERARCH ESO ISS PBLA12 START | 130.8 |
| HIERARCH ESO ISS PBLA12 END | 131.6 |
| HIERARCH ESO ISS PBL13 START | 121.604 |
| HIERARCH ESO ISS PBL13 END | 120.953 |
| HIERARCH ESO ISS PBLA13 START | 107.7 |
| HIERARCH ESO ISS PBLA13 END | 108.4 |
| HIERARCH ESO ISS PBL14 START | 117.535 |
| HIERARCH ESO ISS PBL14 END | 116.748 |
| HIERARCH ESO ISS PBLA14 START | 84.546 |
| HIERARCH ESO ISS PBLA14 END | 85.113 |
| HIERARCH ESO ISS PBL23 START | 53.323 |
| HIERARCH ESO ISS PBL23 END | 52.986 |
| HIERARCH ESO ISS PBLA23 START | 67.1 |
| HIERARCH ESO ISS PBLA23 END | 67.6 |
| HIERARCH ESO ISS PBL24 START | 85.266 |
| HIERARCH ESO ISS PBL24 END | 84.987 |
| HIERARCH ESO ISS PBLA24 START | 36.149 |
| HIERARCH ESO ISS PBLA24 END | 36.495 |
| HIERARCH ESO ISS PBL34 START | 48.159 |
| HIERARCH ESO ISS PBL34 END | 48.156 |
| HIERARCH ESO ISS PBLA34 START | 1.377 |
| HIERARCH ESO ISS PBLA34 END | 1.853 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003783 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003829 |
| HIERARCH ESO ISS AMBI TEMP | 14.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.84 |
| HIERARCH ESO FT ROBJ NAME | hd25535b |
| HIERARCH ESO FT ROBJ ALPHA | 040203.449 |
| HIERARCH ESO FT ROBJ DELTA | -342855.808 |