Exposure
- ID
- GRAVI.2024-05-30T05:06:08.907_2
- Header ID
- GRAVI.2024-05-30T05:06:08.907
- Date updated
- 2024-05-30 05:25:26 UTC+0000
- Release date
- 2025-05-30 05:25:26 UTC+0000
- UTC Start
- 2024-05-30 05:06:08.907
- UTC End
- 2024-05-30 05:12:08.907
- MJD Start
- 60460.21260309
- MJD End
- 60460.2167697567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007079
- Ambient temperature (°C)
- 16.02
- Seeing (arcsec)
- 0.47
Observation
- ID
- 59446
- 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
- 44071
- Name
- IRS16NW
- RA
- 266.416845833333
- DEC
- -29.0075221944444
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 | 56.5580 | 56.5590 | 20.3000 | 21.1000 |
| U1-U3 | 102.3910 | 102.4180 | 26.6000 | 27.4000 |
| U1-U4 | 129.2370 | 129.5310 | 54.1690 | 55.0490 |
| U2-U3 | 46.5670 | 46.5990 | 34.1000 | 34.9000 |
| U2-U4 | 88.0700 | 88.4170 | 75.1150 | 75.9600 |
| U3-U4 | 61.1240 | 61.4140 | 105.1150 | 105.8280 |
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 | 60460.21260309 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416893 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.3 |
| HIERARCH ESO ISS PBLA12 END | 21.1 |
| HIERARCH ESO ISS PBL13 START | 102.391 |
| HIERARCH ESO ISS PBL13 END | 102.418 |
| HIERARCH ESO ISS PBLA13 START | 26.6 |
| HIERARCH ESO ISS PBLA13 END | 27.4 |
| HIERARCH ESO ISS PBL14 START | 129.237 |
| HIERARCH ESO ISS PBL14 END | 129.531 |
| HIERARCH ESO ISS PBLA14 START | 54.169 |
| HIERARCH ESO ISS PBLA14 END | 55.049 |
| HIERARCH ESO ISS PBL23 START | 46.567 |
| HIERARCH ESO ISS PBL23 END | 46.599 |
| HIERARCH ESO ISS PBLA23 START | 34.1 |
| HIERARCH ESO ISS PBLA23 END | 34.9 |
| HIERARCH ESO ISS PBL24 START | 88.07 |
| HIERARCH ESO ISS PBL24 END | 88.417 |
| HIERARCH ESO ISS PBLA24 START | 75.115 |
| HIERARCH ESO ISS PBLA24 END | 75.96 |
| HIERARCH ESO ISS PBL34 START | 61.124 |
| HIERARCH ESO ISS PBL34 END | 61.414 |
| HIERARCH ESO ISS PBLA34 START | 105.115 |
| HIERARCH ESO ISS PBLA34 END | 105.828 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007193 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006965 |
| HIERARCH ESO ISS AMBI TEMP | 16.02 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |