Exposure
- ID
- GRAVI.2024-06-23T02:21:06.075_2
- Header ID
- GRAVI.2024-06-23T02:21:06.075
- Date updated
- 2024-06-23 02:40:32 UTC+0000
- Release date
- 2025-06-23 02:40:32 UTC+0000
- UTC Start
- 2024-06-23 02:21:06.075
- UTC End
- 2024-06-23 02:27:06.075
- MJD Start
- 60484.09798698
- MJD End
- 60484.1021536467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.61
- Seeing (arcsec)
- 0.615
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 | 56.3800 | 56.4010 | 11.1000 | 11.9000 |
| U1-U3 | 101.5790 | 101.6730 | 16.8000 | 17.7000 |
| U1-U4 | 123.3630 | 124.0550 | 43.1750 | 44.2920 |
| U2-U3 | 45.8220 | 45.9080 | 23.8000 | 24.8000 |
| U2-U4 | 81.3440 | 82.1550 | 64.8040 | 65.8470 |
| U3-U4 | 55.6130 | 56.2910 | 97.5500 | 98.2360 |
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 | 60484.09798698 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416842 |
| DEC | -29.00726 |
| 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 | 56.38 |
| HIERARCH ESO ISS PBL12 END | 56.401 |
| HIERARCH ESO ISS PBLA12 START | 11.1 |
| HIERARCH ESO ISS PBLA12 END | 11.9 |
| HIERARCH ESO ISS PBL13 START | 101.579 |
| HIERARCH ESO ISS PBL13 END | 101.673 |
| HIERARCH ESO ISS PBLA13 START | 16.8 |
| HIERARCH ESO ISS PBLA13 END | 17.7 |
| HIERARCH ESO ISS PBL14 START | 123.363 |
| HIERARCH ESO ISS PBL14 END | 124.055 |
| HIERARCH ESO ISS PBLA14 START | 43.175 |
| HIERARCH ESO ISS PBLA14 END | 44.292 |
| HIERARCH ESO ISS PBL23 START | 45.822 |
| HIERARCH ESO ISS PBL23 END | 45.908 |
| HIERARCH ESO ISS PBLA23 START | 23.8 |
| HIERARCH ESO ISS PBLA23 END | 24.8 |
| HIERARCH ESO ISS PBL24 START | 81.344 |
| HIERARCH ESO ISS PBL24 END | 82.155 |
| HIERARCH ESO ISS PBLA24 START | 64.804 |
| HIERARCH ESO ISS PBLA24 END | 65.847 |
| HIERARCH ESO ISS PBL34 START | 55.613 |
| HIERARCH ESO ISS PBL34 END | 56.291 |
| HIERARCH ESO ISS PBLA34 START | 97.55 |
| HIERARCH ESO ISS PBLA34 END | 98.236 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.61 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |