Exposure
- ID
- GRAVI.2024-06-25T05:10:14.674_2
- Header ID
- GRAVI.2024-06-25T05:10:14.674
- Date updated
- 2024-06-25 05:25:32 UTC+0000
- Release date
- 2025-06-25 05:25:32 UTC+0000
- UTC Start
- 2024-06-25 05:10:14.674
- UTC End
- 2024-06-25 05:15:34.674
- MJD Start
- 60486.21544762
- MJD End
- 60486.2191513237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002239
- Ambient temperature (°C)
- 9.04
- Seeing (arcsec)
- 0.84
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 55.7100 | 55.5940 | 31.7000 | 32.2000 |
| U1-U3 | 100.5940 | 100.3250 | 38.0000 | 38.5000 |
| U1-U4 | 126.7310 | 126.1100 | 66.6340 | 67.2030 |
| U2-U3 | 45.6510 | 45.4960 | 45.8000 | 46.3000 |
| U2-U4 | 87.1340 | 86.6780 | 88.1260 | 88.8070 |
| U3-U4 | 61.5710 | 61.3590 | 118.0490 | 118.8450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60486.21544762 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416918 |
| DEC | -29.00728 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.71 |
| HIERARCH ESO ISS PBL12 END | 55.594 |
| HIERARCH ESO ISS PBLA12 START | 31.7 |
| HIERARCH ESO ISS PBLA12 END | 32.2 |
| HIERARCH ESO ISS PBL13 START | 100.594 |
| HIERARCH ESO ISS PBL13 END | 100.325 |
| HIERARCH ESO ISS PBLA13 START | 38.0 |
| HIERARCH ESO ISS PBLA13 END | 38.5 |
| HIERARCH ESO ISS PBL14 START | 126.731 |
| HIERARCH ESO ISS PBL14 END | 126.11 |
| HIERARCH ESO ISS PBLA14 START | 66.634 |
| HIERARCH ESO ISS PBLA14 END | 67.203 |
| HIERARCH ESO ISS PBL23 START | 45.651 |
| HIERARCH ESO ISS PBL23 END | 45.496 |
| HIERARCH ESO ISS PBLA23 START | 45.8 |
| HIERARCH ESO ISS PBLA23 END | 46.3 |
| HIERARCH ESO ISS PBL24 START | 87.134 |
| HIERARCH ESO ISS PBL24 END | 86.678 |
| HIERARCH ESO ISS PBLA24 START | 88.126 |
| HIERARCH ESO ISS PBLA24 END | 88.807 |
| HIERARCH ESO ISS PBL34 START | 61.571 |
| HIERARCH ESO ISS PBL34 END | 61.359 |
| HIERARCH ESO ISS PBLA34 START | 118.049 |
| HIERARCH ESO ISS PBLA34 END | 118.845 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002364 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002114 |
| HIERARCH ESO ISS AMBI TEMP | 9.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.87 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |