Exposure
- ID
- GRAVI.2024-04-29T09:56:03.038_2
- Header ID
- GRAVI.2024-04-29T09:56:03.038
- Date updated
- 2024-04-29 10:10:29 UTC+0000
- Release date
- 2025-04-29 10:10:29 UTC+0000
- UTC Start
- 2024-04-29 09:56:03.038
- UTC End
- 2024-04-29 10:02:03.038
- MJD Start
- 60429.41392405
- MJD End
- 60429.4180907167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004665
- Ambient temperature (°C)
- 15.18
- Seeing (arcsec)
- 0.445
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 | 53.9290 | 53.6720 | 36.5000 | 36.9000 |
| U1-U3 | 96.4610 | 95.8660 | 42.8000 | 43.2000 |
| U1-U4 | 117.0860 | 115.7070 | 72.4830 | 73.0580 |
| U2-U3 | 43.2650 | 42.9230 | 50.6000 | 51.0000 |
| U2-U4 | 80.0240 | 79.0180 | 95.8310 | 96.6960 |
| U3-U4 | 58.2790 | 57.8300 | 127.6160 | 128.7490 |
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 | 60429.41392405 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416867 |
| DEC | -29.00737 |
| 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 | 53.929 |
| HIERARCH ESO ISS PBL12 END | 53.672 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 96.461 |
| HIERARCH ESO ISS PBL13 END | 95.866 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 117.086 |
| HIERARCH ESO ISS PBL14 END | 115.707 |
| HIERARCH ESO ISS PBLA14 START | 72.483 |
| HIERARCH ESO ISS PBLA14 END | 73.058 |
| HIERARCH ESO ISS PBL23 START | 43.265 |
| HIERARCH ESO ISS PBL23 END | 42.923 |
| HIERARCH ESO ISS PBLA23 START | 50.6 |
| HIERARCH ESO ISS PBLA23 END | 51.0 |
| HIERARCH ESO ISS PBL24 START | 80.024 |
| HIERARCH ESO ISS PBL24 END | 79.018 |
| HIERARCH ESO ISS PBLA24 START | 95.831 |
| HIERARCH ESO ISS PBLA24 END | 96.696 |
| HIERARCH ESO ISS PBL34 START | 58.279 |
| HIERARCH ESO ISS PBL34 END | 57.83 |
| HIERARCH ESO ISS PBLA34 START | 127.616 |
| HIERARCH ESO ISS PBLA34 END | 128.749 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004481 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004849 |
| HIERARCH ESO ISS AMBI TEMP | 15.18 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |