Exposure
- ID
- GRAVI.2024-04-30T07:26:37.974_2
- Header ID
- GRAVI.2024-04-30T07:26:37.974
- Date updated
- 2024-04-30 07:45:24 UTC+0000
- Release date
- 2025-04-30 07:45:24 UTC+0000
- UTC Start
- 2024-04-30 07:26:37.974
- UTC End
- 2024-04-30 07:32:37.974
- MJD Start
- 60430.31016174
- MJD End
- 60430.3143284067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004023
- Ambient temperature (°C)
- 15.27
- Seeing (arcsec)
- 0.485
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- 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 | 56.5410 | 56.5240 | 23.0000 | 23.8000 |
| U1-U3 | 102.4280 | 102.4060 | 29.3000 | 30.1000 |
| U1-U4 | 130.0400 | 130.1500 | 57.1530 | 57.9670 |
| U2-U3 | 46.6400 | 46.6390 | 37.0000 | 37.7000 |
| U2-U4 | 89.0620 | 89.2310 | 78.0090 | 78.8140 |
| U3-U4 | 61.9820 | 62.1470 | 107.6210 | 108.3550 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60430.31016174 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41685 |
| DEC | -29.00736 |
| 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 | 56.541 |
| HIERARCH ESO ISS PBL12 END | 56.524 |
| HIERARCH ESO ISS PBLA12 START | 23.0 |
| HIERARCH ESO ISS PBLA12 END | 23.8 |
| HIERARCH ESO ISS PBL13 START | 102.428 |
| HIERARCH ESO ISS PBL13 END | 102.406 |
| HIERARCH ESO ISS PBLA13 START | 29.3 |
| HIERARCH ESO ISS PBLA13 END | 30.1 |
| HIERARCH ESO ISS PBL14 START | 130.04 |
| HIERARCH ESO ISS PBL14 END | 130.15 |
| HIERARCH ESO ISS PBLA14 START | 57.153 |
| HIERARCH ESO ISS PBLA14 END | 57.967 |
| HIERARCH ESO ISS PBL23 START | 46.64 |
| HIERARCH ESO ISS PBL23 END | 46.639 |
| HIERARCH ESO ISS PBLA23 START | 37.0 |
| HIERARCH ESO ISS PBLA23 END | 37.7 |
| HIERARCH ESO ISS PBL24 START | 89.062 |
| HIERARCH ESO ISS PBL24 END | 89.231 |
| HIERARCH ESO ISS PBLA24 START | 78.009 |
| HIERARCH ESO ISS PBLA24 END | 78.814 |
| HIERARCH ESO ISS PBL34 START | 61.982 |
| HIERARCH ESO ISS PBL34 END | 62.147 |
| HIERARCH ESO ISS PBLA34 START | 107.621 |
| HIERARCH ESO ISS PBLA34 END | 108.355 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003692 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004354 |
| HIERARCH ESO ISS AMBI TEMP | 15.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |