Exposure
- ID
- GRAVI.2025-07-25T02:44:18.064_2
- Header ID
- GRAVI.2025-07-25T02:44:18.064
- Date updated
- 2025-07-25 02:55:45 UTC+0000
- Release date
- 2025-07-25 02:44:18 UTC+0000
- UTC Start
- 2025-07-25 02:44:18.064
- UTC End
- 2025-07-25 02:48:18.064
- MJD Start
- 60881.11409796
- MJD End
- 60881.11687573778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024035
- Ambient temperature (°C)
- 11.97
- Seeing (arcsec)
- 0.875
Observation
- ID
- 68962
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 51306
- Name
- hd174536a
- RA
- 282.9043833333333
- DEC
- -17.310528611111113
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.2990 | 25.2970 | 139.1000 | 139.5000 |
| A0-D0 | 31.4250 | 31.5200 | 68.0000 | 68.3000 |
| A0-C1 | 22.5350 | 22.5650 | 113.0680 | 113.3440 |
| B2-D0 | 33.3830 | 33.4230 | 22.1000 | 22.6000 |
| B2-C1 | 11.1200 | 11.1340 | 22.0900 | 22.5650 |
| D0-C1 | 22.2630 | 22.2900 | 202.1550 | 202.6290 |
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 | 60881.11409796 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd174536b |
| HIERARCH ESO INS SOBJ NAME | hd174536b |
| RA | 282.902022 |
| DEC | -17.31035 |
| 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 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 25.299 |
| HIERARCH ESO ISS PBL12 END | 25.297 |
| HIERARCH ESO ISS PBLA12 START | 139.1 |
| HIERARCH ESO ISS PBLA12 END | 139.5 |
| HIERARCH ESO ISS PBL13 START | 31.425 |
| HIERARCH ESO ISS PBL13 END | 31.52 |
| HIERARCH ESO ISS PBLA13 START | 68.0 |
| HIERARCH ESO ISS PBLA13 END | 68.3 |
| HIERARCH ESO ISS PBL14 START | 22.535 |
| HIERARCH ESO ISS PBL14 END | 22.565 |
| HIERARCH ESO ISS PBLA14 START | 113.068 |
| HIERARCH ESO ISS PBLA14 END | 113.344 |
| HIERARCH ESO ISS PBL23 START | 33.383 |
| HIERARCH ESO ISS PBL23 END | 33.423 |
| HIERARCH ESO ISS PBLA23 START | 22.1 |
| HIERARCH ESO ISS PBLA23 END | 22.6 |
| HIERARCH ESO ISS PBL24 START | 11.12 |
| HIERARCH ESO ISS PBL24 END | 11.134 |
| HIERARCH ESO ISS PBLA24 START | 22.09 |
| HIERARCH ESO ISS PBLA24 END | 22.565 |
| HIERARCH ESO ISS PBL34 START | 22.263 |
| HIERARCH ESO ISS PBL34 END | 22.29 |
| HIERARCH ESO ISS PBLA34 START | 202.155 |
| HIERARCH ESO ISS PBLA34 END | 202.629 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002351 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002456 |
| HIERARCH ESO ISS AMBI TEMP | 11.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.9 |
| HIERARCH ESO FT ROBJ NAME | hd174536a |
| HIERARCH ESO FT ROBJ ALPHA | 185137.052 |
| HIERARCH ESO FT ROBJ DELTA | -171837.903 |