Exposure
- ID
- GRAVI.2024-04-30T08:10:26.086_2
- Header ID
- GRAVI.2024-04-30T08:10:26.086
- Date updated
- 2024-04-30 08:25:27 UTC+0000
- Release date
- 2025-04-30 08:25:27 UTC+0000
- UTC Start
- 2024-04-30 08:10:26.086
- UTC End
- 2024-04-30 08:16:26.086
- MJD Start
- 60430.3405797
- MJD End
- 60430.3447463667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0068295
- Ambient temperature (°C)
- 15.27
- Seeing (arcsec)
- 0.465
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 | 56.2900 | 56.2220 | 27.8000 | 28.5000 |
| U1-U3 | 101.9260 | 101.7740 | 34.2000 | 34.9000 |
| U1-U4 | 129.6380 | 129.3410 | 62.3900 | 63.1030 |
| U2-U3 | 46.4060 | 46.3220 | 42.0000 | 42.6000 |
| U2-U4 | 89.1800 | 88.9900 | 83.3620 | 84.1290 |
| U3-U4 | 62.4400 | 62.3780 | 112.8060 | 113.6100 |
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 | 60430.3405797 |
| 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 | 56.29 |
| HIERARCH ESO ISS PBL12 END | 56.222 |
| HIERARCH ESO ISS PBLA12 START | 27.8 |
| HIERARCH ESO ISS PBLA12 END | 28.5 |
| HIERARCH ESO ISS PBL13 START | 101.926 |
| HIERARCH ESO ISS PBL13 END | 101.774 |
| HIERARCH ESO ISS PBLA13 START | 34.2 |
| HIERARCH ESO ISS PBLA13 END | 34.9 |
| HIERARCH ESO ISS PBL14 START | 129.638 |
| HIERARCH ESO ISS PBL14 END | 129.341 |
| HIERARCH ESO ISS PBLA14 START | 62.39 |
| HIERARCH ESO ISS PBLA14 END | 63.103 |
| HIERARCH ESO ISS PBL23 START | 46.406 |
| HIERARCH ESO ISS PBL23 END | 46.322 |
| HIERARCH ESO ISS PBLA23 START | 42.0 |
| HIERARCH ESO ISS PBLA23 END | 42.6 |
| HIERARCH ESO ISS PBL24 START | 89.18 |
| HIERARCH ESO ISS PBL24 END | 88.99 |
| HIERARCH ESO ISS PBLA24 START | 83.362 |
| HIERARCH ESO ISS PBLA24 END | 84.129 |
| HIERARCH ESO ISS PBL34 START | 62.44 |
| HIERARCH ESO ISS PBL34 END | 62.378 |
| HIERARCH ESO ISS PBLA34 START | 112.806 |
| HIERARCH ESO ISS PBLA34 END | 113.61 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007898 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005761 |
| HIERARCH ESO ISS AMBI TEMP | 15.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |