Exposure
- ID
- GRAVI.2024-06-23T05:52:24.612_2
- Header ID
- GRAVI.2024-06-23T05:52:24.612
- Date updated
- 2024-06-23 06:10:34 UTC+0000
- Release date
- 2025-06-23 06:10:34 UTC+0000
- UTC Start
- 2024-06-23 05:52:24.612
- UTC End
- 2024-06-23 05:58:24.612
- MJD Start
- 60484.2447293
- MJD End
- 60484.2488959667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.21
- Seeing (arcsec)
- 0.53
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 | 54.8670 | 54.6680 | 34.5000 | 35.0000 |
| U1-U3 | 98.6330 | 98.1720 | 40.9000 | 41.3000 |
| U1-U4 | 122.1540 | 121.0750 | 69.9730 | 70.5740 |
| U2-U3 | 44.5180 | 44.2520 | 48.7000 | 49.2000 |
| U2-U4 | 83.7520 | 82.9550 | 92.3110 | 93.1200 |
| U3-U4 | 59.9870 | 59.6160 | 123.1070 | 124.1260 |
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 | 60484.2447293 |
| 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 | 54.867 |
| HIERARCH ESO ISS PBL12 END | 54.668 |
| HIERARCH ESO ISS PBLA12 START | 34.5 |
| HIERARCH ESO ISS PBLA12 END | 35.0 |
| HIERARCH ESO ISS PBL13 START | 98.633 |
| HIERARCH ESO ISS PBL13 END | 98.172 |
| HIERARCH ESO ISS PBLA13 START | 40.9 |
| HIERARCH ESO ISS PBLA13 END | 41.3 |
| HIERARCH ESO ISS PBL14 START | 122.154 |
| HIERARCH ESO ISS PBL14 END | 121.075 |
| HIERARCH ESO ISS PBLA14 START | 69.973 |
| HIERARCH ESO ISS PBLA14 END | 70.574 |
| HIERARCH ESO ISS PBL23 START | 44.518 |
| HIERARCH ESO ISS PBL23 END | 44.252 |
| HIERARCH ESO ISS PBLA23 START | 48.7 |
| HIERARCH ESO ISS PBLA23 END | 49.2 |
| HIERARCH ESO ISS PBL24 START | 83.752 |
| HIERARCH ESO ISS PBL24 END | 82.955 |
| HIERARCH ESO ISS PBLA24 START | 92.311 |
| HIERARCH ESO ISS PBLA24 END | 93.12 |
| HIERARCH ESO ISS PBL34 START | 59.987 |
| HIERARCH ESO ISS PBL34 END | 59.616 |
| HIERARCH ESO ISS PBLA34 START | 123.107 |
| HIERARCH ESO ISS PBLA34 END | 124.126 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |