Exposure
- ID
- GRAVI.2025-06-08T23:36:09.096_1
- Header ID
- GRAVI.2025-06-08T23:36:09.096
- Date updated
- 2025-06-08 23:45:43 UTC+0000
- Release date
- 2025-06-08 23:36:09 UTC+0000
- UTC Start
- 2025-06-08 23:36:09.096
- UTC End
- 2025-06-08 23:36:41.096
- MJD Start
- 60834.98343861
- MJD End
- 60834.98380898037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002222
- Ambient temperature (°C)
- 14.13
- Seeing (arcsec)
- 0.815
Observation
- ID
- 67762
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 50400
- Name
- HD_104646
- RA
- 180.758945
- DEC
- -57.26039
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.3970 | 49.3700 | 30.2000 | 30.4000 |
| U1-U3 | 91.0590 | 91.0030 | 37.1000 | 37.2000 |
| U1-U4 | 125.4220 | 125.3600 | 64.5960 | 64.7580 |
| U2-U3 | 42.4290 | 42.4020 | 45.1000 | 45.3000 |
| U2-U4 | 89.1190 | 89.1050 | 82.8250 | 83.0000 |
| U3-U4 | 61.3210 | 61.3430 | 107.8680 | 108.0370 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60834.98343861 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 104646 |
| HIERARCH ESO INS SOBJ NAME | HD_104646 |
| RA | 180.758945 |
| DEC | -57.26039 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 54.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 49.397 |
| HIERARCH ESO ISS PBL12 END | 49.37 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 30.4 |
| HIERARCH ESO ISS PBL13 START | 91.059 |
| HIERARCH ESO ISS PBL13 END | 91.003 |
| HIERARCH ESO ISS PBLA13 START | 37.1 |
| HIERARCH ESO ISS PBLA13 END | 37.2 |
| HIERARCH ESO ISS PBL14 START | 125.422 |
| HIERARCH ESO ISS PBL14 END | 125.36 |
| HIERARCH ESO ISS PBLA14 START | 64.596 |
| HIERARCH ESO ISS PBLA14 END | 64.758 |
| HIERARCH ESO ISS PBL23 START | 42.429 |
| HIERARCH ESO ISS PBL23 END | 42.402 |
| HIERARCH ESO ISS PBLA23 START | 45.1 |
| HIERARCH ESO ISS PBLA23 END | 45.3 |
| HIERARCH ESO ISS PBL24 START | 89.119 |
| HIERARCH ESO ISS PBL24 END | 89.105 |
| HIERARCH ESO ISS PBLA24 START | 82.825 |
| HIERARCH ESO ISS PBLA24 END | 83.0 |
| HIERARCH ESO ISS PBL34 START | 61.321 |
| HIERARCH ESO ISS PBL34 END | 61.343 |
| HIERARCH ESO ISS PBLA34 START | 107.868 |
| HIERARCH ESO ISS PBLA34 END | 108.037 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002222 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002222 |
| HIERARCH ESO ISS AMBI TEMP | 14.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.9 |