Exposure
- ID
- GRAVI.2025-07-25T03:02:39.111_2
- Header ID
- GRAVI.2025-07-25T03:02:39.111
- Date updated
- 2025-07-25 03:11:02 UTC+0000
- Release date
- 2025-07-25 03:02:39 UTC+0000
- UTC Start
- 2025-07-25 03:02:39.111
- UTC End
- 2025-07-25 03:03:59.111
- MJD Start
- 60881.12684156
- MJD End
- 60881.12776748592
- Exposure time (s)
- 80.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003447
- Ambient temperature (°C)
- 12.1
- Seeing (arcsec)
- 0.735
Observation
- ID
- 68966
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 51309
- Name
- hd174536b
- RA
- 282.90429166666667
- DEC
- -17.31011572222222
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 | 25.2660 | 25.2610 | 140.6000 | 140.7000 |
| A0-D0 | 31.7780 | 31.8000 | 69.6000 | 69.7000 |
| A0-C1 | 22.6200 | 22.6220 | 114.3330 | 114.4450 |
| B2-D0 | 33.5520 | 33.5650 | 24.2000 | 24.3000 |
| B2-C1 | 11.1770 | 11.1810 | 24.1260 | 24.2900 |
| D0-C1 | 22.3760 | 22.3840 | 204.1900 | 204.3540 |
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 | 60881.12684156 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd174536b |
| HIERARCH ESO INS SOBJ NAME | hd174536a |
| 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 | 95.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 25.266 |
| HIERARCH ESO ISS PBL12 END | 25.261 |
| HIERARCH ESO ISS PBLA12 START | 140.6 |
| HIERARCH ESO ISS PBLA12 END | 140.7 |
| HIERARCH ESO ISS PBL13 START | 31.778 |
| HIERARCH ESO ISS PBL13 END | 31.8 |
| HIERARCH ESO ISS PBLA13 START | 69.6 |
| HIERARCH ESO ISS PBLA13 END | 69.7 |
| HIERARCH ESO ISS PBL14 START | 22.62 |
| HIERARCH ESO ISS PBL14 END | 22.622 |
| HIERARCH ESO ISS PBLA14 START | 114.333 |
| HIERARCH ESO ISS PBLA14 END | 114.445 |
| HIERARCH ESO ISS PBL23 START | 33.552 |
| HIERARCH ESO ISS PBL23 END | 33.565 |
| HIERARCH ESO ISS PBLA23 START | 24.2 |
| HIERARCH ESO ISS PBLA23 END | 24.3 |
| HIERARCH ESO ISS PBL24 START | 11.177 |
| HIERARCH ESO ISS PBL24 END | 11.181 |
| HIERARCH ESO ISS PBLA24 START | 24.126 |
| HIERARCH ESO ISS PBLA24 END | 24.29 |
| HIERARCH ESO ISS PBL34 START | 22.376 |
| HIERARCH ESO ISS PBL34 END | 22.384 |
| HIERARCH ESO ISS PBLA34 START | 204.19 |
| HIERARCH ESO ISS PBLA34 END | 204.354 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00323 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003664 |
| HIERARCH ESO ISS AMBI TEMP | 12.1 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | hd174536b |
| HIERARCH ESO FT ROBJ ALPHA | 185137.0300 |
| HIERARCH ESO FT ROBJ DELTA | -171836.4166 |