Exposure
- ID
- GRAVI.2024-04-30T07:34:01.993_2
- Header ID
- GRAVI.2024-04-30T07:34:01.993
- Date updated
- 2024-04-30 07:50:44 UTC+0000
- Release date
- 2025-04-30 07:50:44 UTC+0000
- UTC Start
- 2024-04-30 07:34:01.993
- UTC End
- 2024-04-30 07:40:01.993
- MJD Start
- 60430.31530085
- MJD End
- 60430.3194675167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003474
- Ambient temperature (°C)
- 15.24
- Seeing (arcsec)
- 0.49
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 | 56.5210 | 56.4970 | 23.9000 | 24.6000 |
| U1-U3 | 102.4010 | 102.3610 | 30.2000 | 31.0000 |
| U1-U4 | 130.1620 | 130.2070 | 58.0880 | 58.8850 |
| U2-U3 | 46.6380 | 46.6250 | 37.9000 | 38.6000 |
| U2-U4 | 89.2520 | 89.3620 | 78.9350 | 79.7330 |
| U3-U4 | 62.1690 | 62.2950 | 108.4660 | 109.2110 |
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 | 60430.31530085 |
| 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 | 56.521 |
| HIERARCH ESO ISS PBL12 END | 56.497 |
| HIERARCH ESO ISS PBLA12 START | 23.9 |
| HIERARCH ESO ISS PBLA12 END | 24.6 |
| HIERARCH ESO ISS PBL13 START | 102.401 |
| HIERARCH ESO ISS PBL13 END | 102.361 |
| HIERARCH ESO ISS PBLA13 START | 30.2 |
| HIERARCH ESO ISS PBLA13 END | 31.0 |
| HIERARCH ESO ISS PBL14 START | 130.162 |
| HIERARCH ESO ISS PBL14 END | 130.207 |
| HIERARCH ESO ISS PBLA14 START | 58.088 |
| HIERARCH ESO ISS PBLA14 END | 58.885 |
| HIERARCH ESO ISS PBL23 START | 46.638 |
| HIERARCH ESO ISS PBL23 END | 46.625 |
| HIERARCH ESO ISS PBLA23 START | 37.9 |
| HIERARCH ESO ISS PBLA23 END | 38.6 |
| HIERARCH ESO ISS PBL24 START | 89.252 |
| HIERARCH ESO ISS PBL24 END | 89.362 |
| HIERARCH ESO ISS PBLA24 START | 78.935 |
| HIERARCH ESO ISS PBLA24 END | 79.733 |
| HIERARCH ESO ISS PBL34 START | 62.169 |
| HIERARCH ESO ISS PBL34 END | 62.295 |
| HIERARCH ESO ISS PBLA34 START | 108.466 |
| HIERARCH ESO ISS PBLA34 END | 109.211 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004379 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002569 |
| HIERARCH ESO ISS AMBI TEMP | 15.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |