Exposure
- ID
- GRAVI.2024-05-29T07:19:13.656_2
- Header ID
- GRAVI.2024-05-29T07:19:13.656
- Date updated
- 2024-05-29 07:35:26 UTC+0000
- Release date
- 2025-05-29 07:35:26 UTC+0000
- UTC Start
- 2024-05-29 07:19:13.656
- UTC End
- 2024-05-29 07:25:13.656
- MJD Start
- 60459.30501917
- MJD End
- 60459.3091858367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0043565
- Ambient temperature (°C)
- 14.81
- Seeing (arcsec)
- 0.465
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- 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 | 55.1870 | 55.0110 | 33.6000 | 34.1000 |
| U1-U3 | 99.3780 | 98.9700 | 40.0000 | 40.5000 |
| U1-U4 | 123.9000 | 122.9440 | 68.8840 | 69.4990 |
| U2-U3 | 44.9490 | 44.7130 | 47.8000 | 48.3000 |
| U2-U4 | 85.0450 | 84.3370 | 90.8920 | 91.6870 |
| U3-U4 | 60.5920 | 60.2600 | 121.3510 | 122.3300 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60459.30501917 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416878 |
| DEC | -29.00732 |
| 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 | 55.187 |
| HIERARCH ESO ISS PBL12 END | 55.011 |
| HIERARCH ESO ISS PBLA12 START | 33.6 |
| HIERARCH ESO ISS PBLA12 END | 34.1 |
| HIERARCH ESO ISS PBL13 START | 99.378 |
| HIERARCH ESO ISS PBL13 END | 98.97 |
| HIERARCH ESO ISS PBLA13 START | 40.0 |
| HIERARCH ESO ISS PBLA13 END | 40.5 |
| HIERARCH ESO ISS PBL14 START | 123.9 |
| HIERARCH ESO ISS PBL14 END | 122.944 |
| HIERARCH ESO ISS PBLA14 START | 68.884 |
| HIERARCH ESO ISS PBLA14 END | 69.499 |
| HIERARCH ESO ISS PBL23 START | 44.949 |
| HIERARCH ESO ISS PBL23 END | 44.713 |
| HIERARCH ESO ISS PBLA23 START | 47.8 |
| HIERARCH ESO ISS PBLA23 END | 48.3 |
| HIERARCH ESO ISS PBL24 START | 85.045 |
| HIERARCH ESO ISS PBL24 END | 84.337 |
| HIERARCH ESO ISS PBLA24 START | 90.892 |
| HIERARCH ESO ISS PBLA24 END | 91.687 |
| HIERARCH ESO ISS PBL34 START | 60.592 |
| HIERARCH ESO ISS PBL34 END | 60.26 |
| HIERARCH ESO ISS PBLA34 START | 121.351 |
| HIERARCH ESO ISS PBLA34 END | 122.33 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004102 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004611 |
| HIERARCH ESO ISS AMBI TEMP | 14.81 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| 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 |