Exposure
- ID
- GRAVI.2024-05-31T05:15:46.216_2
- Header ID
- GRAVI.2024-05-31T05:15:46.216
- Date updated
- 2024-05-31 05:30:38 UTC+0000
- Release date
- 2025-05-31 05:30:37 UTC+0000
- UTC Start
- 2024-05-31 05:15:46.216
- UTC End
- 2024-05-31 05:21:46.216
- MJD Start
- 60461.21928491
- MJD End
- 60461.2234515767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005052
- Ambient temperature (°C)
- 16.32
- Seeing (arcsec)
- 0.645
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- 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
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.5550 | 56.5460 | 22.0000 | 22.8000 |
| U1-U3 | 102.4330 | 102.4320 | 28.2000 | 29.0000 |
| U1-U4 | 129.7960 | 129.9810 | 55.9930 | 56.8330 |
| U2-U3 | 46.6240 | 46.6380 | 35.8000 | 36.7000 |
| U2-U4 | 88.7400 | 88.9810 | 76.8740 | 77.6940 |
| U3-U4 | 61.6920 | 61.9070 | 106.6160 | 107.3400 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60461.21928491 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41678 |
| DEC | -29.00739 |
| 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 | 56.555 |
| HIERARCH ESO ISS PBL12 END | 56.546 |
| HIERARCH ESO ISS PBLA12 START | 22.0 |
| HIERARCH ESO ISS PBLA12 END | 22.8 |
| HIERARCH ESO ISS PBL13 START | 102.433 |
| HIERARCH ESO ISS PBL13 END | 102.432 |
| HIERARCH ESO ISS PBLA13 START | 28.2 |
| HIERARCH ESO ISS PBLA13 END | 29.0 |
| HIERARCH ESO ISS PBL14 START | 129.796 |
| HIERARCH ESO ISS PBL14 END | 129.981 |
| HIERARCH ESO ISS PBLA14 START | 55.993 |
| HIERARCH ESO ISS PBLA14 END | 56.833 |
| HIERARCH ESO ISS PBL23 START | 46.624 |
| HIERARCH ESO ISS PBL23 END | 46.638 |
| HIERARCH ESO ISS PBLA23 START | 35.8 |
| HIERARCH ESO ISS PBLA23 END | 36.7 |
| HIERARCH ESO ISS PBL24 START | 88.74 |
| HIERARCH ESO ISS PBL24 END | 88.981 |
| HIERARCH ESO ISS PBLA24 START | 76.874 |
| HIERARCH ESO ISS PBLA24 END | 77.694 |
| HIERARCH ESO ISS PBL34 START | 61.692 |
| HIERARCH ESO ISS PBL34 END | 61.907 |
| HIERARCH ESO ISS PBLA34 START | 106.616 |
| HIERARCH ESO ISS PBLA34 END | 107.34 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005085 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005019 |
| HIERARCH ESO ISS AMBI TEMP | 16.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |