Exposure
- ID
- GRAVI.2024-04-26T07:40:04.403_2
- Header ID
- GRAVI.2024-04-26T07:40:04.403
- Date updated
- 2024-04-26 07:55:17 UTC+0000
- Release date
- 2024-04-26 07:40:04 UTC+0000
- UTC Start
- 2024-04-26 07:40:04.403
- UTC End
- 2024-04-26 07:46:04.403
- MJD Start
- 60426.31949541
- MJD End
- 60426.3236620767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007822
- Ambient temperature (°C)
- 17.23
- Seeing (arcsec)
- 0.685
Observation
- ID
- 58932
- Category
- calibrator
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5460 | 56.5310 | 22.8000 | 23.5000 |
| U1-U3 | 102.4320 | 102.4160 | 29.0000 | 29.8000 |
| U1-U4 | 129.9870 | 130.1170 | 56.8470 | 57.6640 |
| U2-U3 | 46.6380 | 46.6410 | 36.7000 | 37.5000 |
| U2-U4 | 88.9890 | 89.1770 | 77.7080 | 78.5140 |
| U3-U4 | 61.9140 | 62.0920 | 107.3500 | 108.0780 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60426.31949541 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416866 |
| DEC | -29.00734 |
| HIERARCH ESO INS SPEC RES | LOW |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.546 |
| HIERARCH ESO ISS PBL12 END | 56.531 |
| HIERARCH ESO ISS PBLA12 START | 22.8 |
| HIERARCH ESO ISS PBLA12 END | 23.5 |
| HIERARCH ESO ISS PBL13 START | 102.432 |
| HIERARCH ESO ISS PBL13 END | 102.416 |
| HIERARCH ESO ISS PBLA13 START | 29.0 |
| HIERARCH ESO ISS PBLA13 END | 29.8 |
| HIERARCH ESO ISS PBL14 START | 129.987 |
| HIERARCH ESO ISS PBL14 END | 130.117 |
| HIERARCH ESO ISS PBLA14 START | 56.847 |
| HIERARCH ESO ISS PBLA14 END | 57.664 |
| HIERARCH ESO ISS PBL23 START | 46.638 |
| HIERARCH ESO ISS PBL23 END | 46.641 |
| HIERARCH ESO ISS PBLA23 START | 36.7 |
| HIERARCH ESO ISS PBLA23 END | 37.5 |
| HIERARCH ESO ISS PBL24 START | 88.989 |
| HIERARCH ESO ISS PBL24 END | 89.177 |
| HIERARCH ESO ISS PBLA24 START | 77.708 |
| HIERARCH ESO ISS PBLA24 END | 78.514 |
| HIERARCH ESO ISS PBL34 START | 61.914 |
| HIERARCH ESO ISS PBL34 END | 62.092 |
| HIERARCH ESO ISS PBLA34 START | 107.35 |
| HIERARCH ESO ISS PBLA34 END | 108.078 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00492 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010724 |
| HIERARCH ESO ISS AMBI TEMP | 17.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |