Exposure
- ID
- GRAVI.2024-06-23T04:47:39.447_2
- Header ID
- GRAVI.2024-06-23T04:47:39.447
- Date updated
- 2024-06-23 05:00:35 UTC+0000
- Release date
- 2025-06-23 05:00:34 UTC+0000
- UTC Start
- 2024-06-23 04:47:39.447
- UTC End
- 2024-06-23 04:53:39.447
- MJD Start
- 60484.19976212
- MJD End
- 60484.2039287867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.65
- Seeing (arcsec)
- 0.545
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 | 56.1870 | 56.1050 | 28.8000 | 29.4000 |
| U1-U3 | 101.6930 | 101.5070 | 35.2000 | 35.8000 |
| U1-U4 | 129.1760 | 128.7810 | 63.4440 | 64.1410 |
| U2-U3 | 46.2770 | 46.1720 | 42.9000 | 43.6000 |
| U2-U4 | 88.8800 | 88.6100 | 84.5000 | 85.2670 |
| U3-U4 | 62.3380 | 62.2310 | 114.0040 | 114.8320 |
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 | 60484.19976212 |
| 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 | 56.187 |
| HIERARCH ESO ISS PBL12 END | 56.105 |
| HIERARCH ESO ISS PBLA12 START | 28.8 |
| HIERARCH ESO ISS PBLA12 END | 29.4 |
| HIERARCH ESO ISS PBL13 START | 101.693 |
| HIERARCH ESO ISS PBL13 END | 101.507 |
| HIERARCH ESO ISS PBLA13 START | 35.2 |
| HIERARCH ESO ISS PBLA13 END | 35.8 |
| HIERARCH ESO ISS PBL14 START | 129.176 |
| HIERARCH ESO ISS PBL14 END | 128.781 |
| HIERARCH ESO ISS PBLA14 START | 63.444 |
| HIERARCH ESO ISS PBLA14 END | 64.141 |
| HIERARCH ESO ISS PBL23 START | 46.277 |
| HIERARCH ESO ISS PBL23 END | 46.172 |
| HIERARCH ESO ISS PBLA23 START | 42.9 |
| HIERARCH ESO ISS PBLA23 END | 43.6 |
| HIERARCH ESO ISS PBL24 START | 88.88 |
| HIERARCH ESO ISS PBL24 END | 88.61 |
| HIERARCH ESO ISS PBLA24 START | 84.5 |
| HIERARCH ESO ISS PBLA24 END | 85.267 |
| HIERARCH ESO ISS PBL34 START | 62.338 |
| HIERARCH ESO ISS PBL34 END | 62.231 |
| HIERARCH ESO ISS PBLA34 START | 114.004 |
| HIERARCH ESO ISS PBLA34 END | 114.832 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.65 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| 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 |