Exposure
- ID
- GRAVI.2024-06-25T04:24:08.557_2
- Header ID
- GRAVI.2024-06-25T04:24:08.557
- Date updated
- 2024-06-25 04:40:40 UTC+0000
- Release date
- 2025-06-25 04:40:40 UTC+0000
- UTC Start
- 2024-06-25 04:24:08.557
- UTC End
- 2024-06-25 04:29:28.557
- MJD Start
- 60486.18343237
- MJD End
- 60486.1871360737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001805
- Ambient temperature (°C)
- 9.34
- Seeing (arcsec)
- 1.03
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 | 56.3470 | 56.2950 | 27.2000 | 27.8000 |
| U1-U3 | 102.0510 | 101.9370 | 33.6000 | 34.2000 |
| U1-U4 | 129.8640 | 129.6580 | 61.6990 | 62.3380 |
| U2-U3 | 46.4730 | 46.4120 | 41.3000 | 41.9000 |
| U2-U4 | 89.3110 | 89.1920 | 82.6280 | 83.3050 |
| U3-U4 | 62.4680 | 62.4430 | 112.0510 | 112.7470 |
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 | 60486.18343237 |
| 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 | 56.347 |
| HIERARCH ESO ISS PBL12 END | 56.295 |
| HIERARCH ESO ISS PBLA12 START | 27.2 |
| HIERARCH ESO ISS PBLA12 END | 27.8 |
| HIERARCH ESO ISS PBL13 START | 102.051 |
| HIERARCH ESO ISS PBL13 END | 101.937 |
| HIERARCH ESO ISS PBLA13 START | 33.6 |
| HIERARCH ESO ISS PBLA13 END | 34.2 |
| HIERARCH ESO ISS PBL14 START | 129.864 |
| HIERARCH ESO ISS PBL14 END | 129.658 |
| HIERARCH ESO ISS PBLA14 START | 61.699 |
| HIERARCH ESO ISS PBLA14 END | 62.338 |
| HIERARCH ESO ISS PBL23 START | 46.473 |
| HIERARCH ESO ISS PBL23 END | 46.412 |
| HIERARCH ESO ISS PBLA23 START | 41.3 |
| HIERARCH ESO ISS PBLA23 END | 41.9 |
| HIERARCH ESO ISS PBL24 START | 89.311 |
| HIERARCH ESO ISS PBL24 END | 89.192 |
| HIERARCH ESO ISS PBLA24 START | 82.628 |
| HIERARCH ESO ISS PBLA24 END | 83.305 |
| HIERARCH ESO ISS PBL34 START | 62.468 |
| HIERARCH ESO ISS PBL34 END | 62.443 |
| HIERARCH ESO ISS PBLA34 START | 112.051 |
| HIERARCH ESO ISS PBLA34 END | 112.747 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001745 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001865 |
| HIERARCH ESO ISS AMBI TEMP | 9.34 |
| HIERARCH ESO ISS AMBI FWHM START | 1.03 |
| HIERARCH ESO ISS AMBI FWHM END | 1.03 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |