Exposure
- ID
- GRAVI.2025-07-25T02:39:45.053_2
- Header ID
- GRAVI.2025-07-25T02:39:45.053
- Date updated
- 2025-07-25 02:51:00 UTC+0000
- Release date
- 2025-07-25 02:39:45 UTC+0000
- UTC Start
- 2025-07-25 02:39:45.053
- UTC End
- 2025-07-25 02:43:45.053
- MJD Start
- 60881.11093811
- MJD End
- 60881.11371588778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002476
- Ambient temperature (°C)
- 11.89
- Seeing (arcsec)
- 0.8300000000000001
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 | 25.2970 | 25.2990 | 138.8000 | 139.1000 |
| A0-D0 | 31.3140 | 31.4180 | 67.5000 | 67.9000 |
| A0-C1 | 22.4970 | 22.5330 | 112.7720 | 113.0480 |
| B2-D0 | 33.3400 | 33.3810 | 21.6000 | 22.1000 |
| B2-C1 | 11.1060 | 11.1200 | 21.5650 | 22.0560 |
| D0-C1 | 22.2340 | 22.2610 | 201.6300 | 202.1200 |
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 | 60881.11093811 |
| 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 | 25.297 |
| HIERARCH ESO ISS PBL12 END | 25.299 |
| HIERARCH ESO ISS PBLA12 START | 138.8 |
| HIERARCH ESO ISS PBLA12 END | 139.1 |
| HIERARCH ESO ISS PBL13 START | 31.314 |
| HIERARCH ESO ISS PBL13 END | 31.418 |
| HIERARCH ESO ISS PBLA13 START | 67.5 |
| HIERARCH ESO ISS PBLA13 END | 67.9 |
| HIERARCH ESO ISS PBL14 START | 22.497 |
| HIERARCH ESO ISS PBL14 END | 22.533 |
| HIERARCH ESO ISS PBLA14 START | 112.772 |
| HIERARCH ESO ISS PBLA14 END | 113.048 |
| HIERARCH ESO ISS PBL23 START | 33.34 |
| HIERARCH ESO ISS PBL23 END | 33.381 |
| HIERARCH ESO ISS PBLA23 START | 21.6 |
| HIERARCH ESO ISS PBLA23 END | 22.1 |
| HIERARCH ESO ISS PBL24 START | 11.106 |
| HIERARCH ESO ISS PBL24 END | 11.12 |
| HIERARCH ESO ISS PBLA24 START | 21.565 |
| HIERARCH ESO ISS PBLA24 END | 22.056 |
| HIERARCH ESO ISS PBL34 START | 22.234 |
| HIERARCH ESO ISS PBL34 END | 22.261 |
| HIERARCH ESO ISS PBLA34 START | 201.63 |
| HIERARCH ESO ISS PBLA34 END | 202.12 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002601 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002351 |
| HIERARCH ESO ISS AMBI TEMP | 11.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.85 |
| HIERARCH ESO FT ROBJ NAME | hd174536a |
| HIERARCH ESO FT ROBJ ALPHA | 185137.052 |
| HIERARCH ESO FT ROBJ DELTA | -171837.903 |