A catalog to unite them all: REGALADE, a revised galaxy compilation for the advanced detector era

Home

All issues

Volume 706 (February 2026)

A&A, 706 (2026) A284

Full HTML

Open Access

Table B.1

Equations used for size calibration

Catalog	Input parameters p₁, p₂, p₃	Equations
DELVE	`a_image_r,`	R₁ = p₁
	`b_image_r,`	R₂ = p₂
	`theta_image_r`	PA = 180 − p₃

SGA	`D26, BA, PA`	R₁ = 30 p₁
		R₂ = 30 p₁ p₂
		PA = p₃

HyperLEDA	`logD25, logR25, PA`	R₁ = 1.3 · 3 · 10^p₁
		R₂ = 1.3 · 3 · 10^p₁–p₂
		PA = p₃

HECATE	`R1, R2, PA`	R₁ = 1.3 · 60 p₁
		R₂ = 1.3 · 60 p₂
		PA = p₃

GLADE1	`(R1_GWGC, R1_Hyp, R1_2MASS),`	R₁ = 1.3 · max(p₁)
	`(R2_GWGC, R2_Hyp, R2_2MASS),`	R₂ = 1.3 · max(p₂)
	`(PA_GWGC, PA_Hyp, PA_2MASS)`	PA = coalesce(p₃)

DESI DR1	`SHAPE_R, SHAPE_E1, SHAPE_E2`	R₁ = 2.5 p₁ + 1.5
		$R_{2} = R_{1} (1 - (p_{2}^{2} + p_{3}^{2})^{1 / 4})$ $\[R_2=R_1(1-(p_2^2+p_3^2)^{1 / 4})\]$
		$P A = {\begin{cases} \tan^{- 1} (p_{3} / p_{2}) & p_{2} > 0 \\ \tan^{- 1} (p_{3} / p_{2}) + 90 & p_{2} < 0 \end{cases}$ $\[P A= \begin{cases}\tan ^{-1}\left(p_3 / p_2\right) & p_2>0 \\ \tan ^{-1}\left(p_3 / p_2\right)+90 & p_2<0\end{cases}\]$

DESI PV	`ShapeR, b/a, PA`	R₁ = 2.5 p₁ + 1.5
		R₂ = p₂(2.5 p₁ + 1.5)
		PA = p₃

Pan-STARRS	`rGalMajor, rGalMinor, rGalPhi`	$R_{1} = 2.5 p_{1}^{α} + 0.5$ $\[R_1=2.5 ~p_1^\alpha+0.5\]$
		$R_{2} = 2.5 p_{2}^{α} + 0.5$ $\[R_2=2.5 ~p_2^\alpha+0.5\]$
		PA = p₃ + 90
		$α = {\begin{cases} 1 & Sersic model \\ 0.6 & de Vaucouleurs model \end{cases}$ $\[\alpha= \begin{cases}1 & \text { Sersic model } \\ 0.6 & \text { de Vaucouleurs model }\end{cases}\]$

SDSS	`deVRad_r, deVAB_r, deVPhi_r`	R₁ = p₁ + 1.5
		R₂ = p₂ + 1.5
		PA = p₃

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.